HÃY CHỌN MỘT CÂU TRẢ LỜI ĐÚNG NHẤT

152. You can gain first-hand information about an occupation _______________.

A. through part-time jobs and volunteer work.

B. having through part-time jobs and volunteer work.

C. either part-time jobs and volunteer work.

D. that is through part-time jobs and volunteer work.