My pain ______ apparent the moment I walked into the room, for the first man I m

游客2023-10-27 52

问题 My pain ______ apparent the moment I walked into the room, for the first man I met asked sympathetically, "Are you feeling all right?"

选项 A、must be
B、had to be
C、must have been
D、had been

答案 C

解析 must have done表示对过去事实的肯定推测。本题用的是过去时态，根据句意，故C正确。

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