CHỌN ĐÁP ÁN ĐÚNG NHẤT CHO CÁC CÂU SAU.A. TỪ VỰNG

30. “What’s your trouble?” my mother asked.

A. My mother wanted to know what my trouble was.

B. My mother asked what my trouble is.

C. My mother wanted to know what trouble is.

D. My mother asked me what was my trouble.