When the woman heard the news that her daughter was killed in the mud-rock flow in Yilan, Taiwan, she crying.
A. burst into
B. burst out
C. burst in
D. burst on
网友回答
A. burst into
(答案→)B. burst out
C. burst in
D. burst on
解析： 考查短语：突然大哭起来有两种表达：burst into tears/ burst out crying，设空的句子意为她突然大哭起来。所以选B。