Question

it looks_____ you don't understand
options are A. as if B. as like C. as D. that

Answer 1

It looks as if you don't understand.

Hope it helps :)

Answer 2

The correct answer will be, “It looks as if you don't understand”

If you check on all the option by putting them in the sentence then you can see that the most logical formation is with as if only.

Others are not fit for the sentence because it clearly shows that a person is not able to understand the certain work.