问题
选择题
----What made her so upset?
----________.
A．Lost her bike
B．Losing her bike
C．She lost her bike
D．Because of losing her bike
答案
答案：B
考查非谓语动词。句意：什么让他如此沮丧？现在分词作主语表示抽象动作，下文为省略句，故选B。
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