请选择DCBA/D6j3d,U9~5X,F5r-c—Who is the young man?:k2G7q6U+K,O
—He’ s__________.:k2G7q6U+K,O
A.twenty:k2G7q6U+K,O
B.a teacher:k2G7q6U+K,O
C.my brother:k2G7q6U+K,O
D.in the room:k2G7q6U+K,O