问题
Can I see the headmaster now—I’m afraid you can’t. He a meeting. He back in 10 minutes. You can wait for him in the lobby.
A:has gone to; has been to
B:has gone to; has been
C:has been to; has been
D:has been to; has gone;
B:has gone to; has been
C:has been to; has been
D:has been to; has gone;
正确答案是：
