He said he didn’t regret telling the truth but felt that he it differently.
A. could have expressed
B. could express
C. must have expressed
D. would express
网友回答
(答案→)A. could have expressed
B. could express
C. must have expressed
D. would express
解析：考查情态动词。根据语境可知为对过去事情的推测，故用情态动词+have done，could have done本可以做某事，故选A。