On seeing the movie star appeared on the stage, the audience cheering.
A. burst into
B. burst on
C. burst out
D. burst in
网友回答
A. burst into
B. burst on
(答案→)C. burst out
D. burst in
解析：考查短语辨析。burst out 突然爆发，后跟doing，句意：一看到这位电影明星出出现在舞台上，观众们突然欢呼起来。所以选C。