Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
They couldn’t climb up mountain because of the storm.
A. The storm made it not capable of climbing up the mountain.
B. Their climbing up the mountain was unable due to the storm.
C. The storm made them impossible to climb up the mountain.
D. The storm discouraged them from climbing up the mountain.