In the following questions, a sentence/part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).

I wish I knew what is wrong with my car

Options

A. I wish I knew what was wrong with my car
B. I wish I had known what is wrong with my car.
C. I wish I know what is wrong with my car
D. No Improvement

Answer

A

Explanation

I wish I knew what was wrong with my car is the right sentence .wish. is followed by Simple Past Tense .was.