Mark the letter A, B, C, or D on...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
We spray pesticides and fertilizers on our crops. Some pesticides and fertilizers are found dangerous.

A. We spray pesticides and fertilizers, which are found dangerous, on our crops.

B. The pesticides and fertilizers we spray on our crops are to be found dangerous.

C. We spray pesticides and fertilizers on our crops, which is found dangerous.

D. Some of the pesticides and fertilizers we spray on our crops are found dangerous.