Sentence Improvement - Verbal and Reasoning

Directions to SolveIn questions given below, a part of the sentence isitalicised and underlined. Below are given alternatives to the italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, option 'D' is the answer.
Q1:

We did not see this movie yet.

A have seen

B have not seen

C have seen

D No improvement

ANS:B - have not seen

No answer description is available.