Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions

A. The more carefully I prepare for the lesson, the more confident I am in class.

B. The more and more confident in class I am, the more and more carefully I prepare for the lesson.

C. The more confident I am in class, the more carefully the lesson I prepare.

D. The more carefully I am, the more confident the lesson is.

A. You mustn't have done all this work.

B. You may not have done all this work.

C. You couldn't have done all this work. 

D. You needn't have done all this work.

A. The police asked Mr John what he had been doing the night before.

B. The police asked Mr John what had he been done the night before.

C. The police asked Mr John what he had been done the night before.

D. The police asked what were you doing last night, Mr John.