Because cellular telephones emit signals that can interfere with cockp : Sentence Correction (SC)

Because cellular telephones emit signals that can interfere with cockpit-to-control-tower transmissions, airplane passengers’ use of these instruments at all times that the airplane is in motion, even while on the ground, are prohibited.


(A) at all times that the airplane is in motion, even while on the ground, are

(B) at all times during which the airplane, even while on the ground, is in motion, are

(C) during airplane motion, even when it is on the ground, are

(D) during times of the airplane being in motion, even on the ground, is

(E) when the airplane is in motion, even while on the ground, is

Because cellular telephones emit signals that can interfere with cockpit-to-control-tower transmissions, airplane passengers’ use of these instruments at all times that the airplane is in motion, even while on the ground, are prohibited.

(A) at all times that the airplane is in motion, even while on the ground, are - SV agreement. Subject is singular "use"

(B) at all times during which the airplane, even while on the ground, is in motion, are - same as A

(C) during airplane motion, even when it is on the ground, are - same as A

(D) during times of the airplane being in motion, even on the ground, is - wordy

(E) when the airplane is in motion, even while on the ground, is

Bunuel wrote:Because cellular telephones emit signals that can interfere with cockpit-to-control-tower transmissions, airplane passengers’ use of these instruments at all times that the airplane is in motion, even while on the ground, are prohibited.


(A) at all times that the airplane is in motion, even while on the ground, are

(B) at all times during which the airplane, even while on the ground, is in motion, are

(C) during airplane motion, even when it is on the ground, are

(D) during times of the airplane being in motion, even on the ground, is

(E) when the airplane is in motion, even while on the ground, is

This is a SC Butler Question

Check the links to other Butler Projects:

• Data Sufficiency Butler
  
• Problem Solving Butler
• Critical Reasoning Butler
• Reading Comprehension Butler
• Integrated Reasoning Butler

OFFICIAL EXPLANATION

E

The subject of this sentence, use, is singular. Therefore, answers A, B, and C are incorrect; each states that the passengers’ use of these instruments … are prohibited. Choice D is unidiomatic, and the phrase even on the ground is unnecessarily vague. Choice E is concise, clear, and employs the correct verb. The best answer is E.