– Can you tell me ?
– An engineer from Jinan Iron and Steel Plants.
A. what your friend is
B. who your friend is
C. what is your friend
D. who is your friend
网友回答
(答案→)A. what your friend is
B. who your friend is
C. what is your friend
D. who is your friend
解析：可联系答.案.网客服索取。