Police reported that a man had been helping them with their investigation.
A. Police reported that a man had been being helped with their investigation by them.
B. Police was reported that they had been being helped with their investigation by a man.
C. Police reported that they had been helped with their investigation by a man.
D. Police reported that their investigation had been being helped by a man.
Giải bởi Vietjack
Chọn đáp án B
