— Hello, I to ask if I can book two tickets for tonight’s film.
— Sorry, we’ve already sold out.
A. phone
B. will phone
C. am phoning
D. have phoned
网友回答
A. phone
B. will phone
(答案→)C. am phoning
D. have phoned
解析：考查时态，句意：嗨，我打电话咨询能否订两张今晚的电影票。--对不起，已经买完了。现在进行时be doing，代表正在进行的打电话的行为，根据语言环境需要用现在进行时。选C。