Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).

If I am you I would have seen to it that I won the prize.

A.

If I am you,

B.

I would have seen to it

C.

that I won the prize.

D.

No error.

Correct answer is A

If I were you,