—Do you know the famous singer Wang Lihong came to Nantong on May 19?
— Yes. he appeared on the stage, all the audience couldn’t help clapping.
A. If
B. As soon as
C. Unless
D. Before
网友回答
A. If
(答案→)B. As soon as
C. Unless
D. Before
解析：本题所考查的是一…就…用as soon as表示，故选B