I’m sorry I couldn’t get in touch with her before she left. I her earlier.
A. had phoned
B. have phoned
C. should have phoned
D. should phone
网友回答
A. had phoned
B. have phoned
(答案→)C. should have phoned
D. should phone
解析：本题考查情态动词。句中should have done本应当做。句意：对不起，在她离开之前我没有与她取得联系，我本应当早点打电话给她的。