The instructor asked us to list anything in our past that we felt of，regretted and read our lists aloud.
A. ashamed
B. afraid
C. sure
D. proud
网友回答
(答案→)A. ashamed
B. afraid
C. sure
D. proud
解析：句意：指导者要求我们把我们过去感到羞愧的、后悔的事情列出来，然后大声读出来。由句意可知，要用A项。be ashamed of (doing) sth.因(做了)某事而感到羞愧。