Instructions:
Select the best version of the underlined part of the sentence. If you think the original sentence is best, choose the first answer.

Question:
Organic gardening has grown in popularity because they do not use harmful chemicals in it.

A. they do not use harmful chemicals in it
B. the use of harmful chemicals is not involved with it
C. it has no harmful chemicals involved with it
D. it does not involve the use of harmful chemicals