The student next to me kept chewing gum. That both...

Câu hỏi: The student next to me kept chewing gum. That bothered me a lot.

A. The student next to me kept chewing gum bothering me a  lot.

B. The student next to me kept chewing gum, that bothered me a lot.

C. The student next to me kept chewing gum bothered me a lot.

D. The student next to me kept chewing gum, which bothered me a lot.