Her remarks left me wondering______she could have changed so suddenly.A、whenB、h

游客2024-01-18  22

问题 Her remarks left me wondering______she could have changed so suddenly.

选项 A、when
B、how
C、whether
D、what

答案 B

解析 这是一道语法题。考点是whether(是否)引导的宾语从句的用法。
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