Choose the letter A, B, C or D to indicate the sentence that is closest in meaning to the sentence given in each of the following questions
No matter how hard I tried, I could not open the window.
A. Try as hard as I might, I could open the window.
B. Try as hard as I might, I can not open the window.
C. Try as hard as I might, I could not open the window.
D. As hard as I might, I could not open the window.
Đáp án C