I'm awfully sorry ,but I have no alternative.I simply_____ what I did .A.ought to have done B.had to do C.have to do .D.must do .

I'm awfully sorry ,but I have no alternative.I simply_____ what I did .A.ought to have done B.had to do C.have to do .D.must do .
I'm awfully sorry ,but I have no alternative.I simply_____ what I did .A.ought to have done B.had to do C.have to do .D.must do .

I'm awfully sorry ,but I have no alternative.I simply_____ what I did .A.ought to have done B.had to do C.have to do .D.must do .
A
我非常抱歉,但我别无选择,我只是做了我本该做的
A本应该做的 B不得不做的
C和B一样 时态不同 D必须做的
从意思可知答案