16.______, the guest speaker was ushered into the auditorium hall to give the le

游客2025-05-03 24

问题 16.______, the guest speaker was ushered into the auditorium hall to give the lecture.

选项 A、Being shown around the campus
B、Having shown to the campus
C、After been shown around the campus
D、Having been shown around the campus

答案 D

解析因为在was ushered into the auditorium hall之前就发生了be shown around the campus这一动作，所以应用完成时的被动语态。因此D项为正确答案。

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