He didn’t pass the entrance exam, and this was a ______ disappoi

He didn’t pass the entrance exam, and this was a ______ disappointment to his mother.
A、heavy
B、slight
C、bitter
D、minor
【正确答案】：C
【题目解析】：该题考查形容词。根据句意，他高考失利，这对他的母亲来说应该是非常痛苦失望的事，而不能是有些失望 (slight disappointment)。再如：Failing the exam was a bitter disappointment to him. 他考试不及格很伤心失望。没有heavy disappointment这种搭配。