I that the job has been filled.
A. regret to say
B. regret saying
C. regret to have said
D. regret said
网友回答
(答案→)A. regret to say
B. regret saying
C. regret to have said
D. regret said
解析：考查动词用法。regret to do后悔要做……，regret doing对做过的事情感到遗憾。句意：我遗憾的要告诉你工作已经满了。