题目内容：

All examinations are passed.This is the first time I____really relaxed.
A have felt
b feel
c had felt
d was feeling
Which one to choose?Please...

优质解答

选A,this/it is +序数词+that sb.have done sth.
this/it was +序数词+that sb.had done sth.
这是固定的句式~