Giúp mk với 
Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions.
38. The picnic was cancelled because of the heavy rain. A. If it hadn't rained so heavily, the picnic wouldn't be cancelled.
 B. If it hadn't rained, the picnic would have been cancelled. C. But for the heavy rain, the picnic wouldn't be cancelled. D. But for the heavy rain, the picnic wouldn't have been cancelled.
39. "If I were you, I would take a break," Tom said to Daisy. A. Tom suggested not taking a break. B. Tom wanted to take a break with Daisy. C. Tom advised Daisy to take a break. D. Tom wanted to take a break, and so did Daisy.
40. My father had gone home before we arrived. A. After my father arrived, we went home. B. After my father had gone home, we arrived. C. After my father had gone home, we arrive. D. After my father had gone home, we had arrived