—Who knocked the door? —I've no idea. I
问题:
— Who knocked the door?
—I've no idea. I just pretended nobody was at home, so I didn't ask who ______ was.[ ]
A. he
B. she
C. it
D. that
— Who knocked the door?
—I've no idea. I just pretended nobody was at home, so I didn't ask who ______ was.[ ]
A. he
B. she
C. it
D. that