Unfortunately, he（ ）the truth that he hated formal dinners just as his hostess walked in.
A、blurted out
B、held back
C、approved of
D、shrugged off
【正确答案】：A
【题目解析】：本题考查短语辨析。blurted out：开始说话，脱口而出；held back：隐瞒，阻止；approved of：赞成；shrugged off：摆脱，不屑理睬。由题干his hostess walked in女主人走了进来以及修饰词unfortunately，可知他说出来了，所以A项符合题意。句意：不幸的是，当女主人走进来时，他就脱口而出他讨厌正式晚宴的事实。
