问题
选择题
Many people claim that they have seen UFO with their own eyes, _____ I personally doubt.
A．when
B．where
C．that
D．which
答案
答案：D
考查定语从句。在非限制性定语从句中，指代前文整句话是引导词只能使用which，故选D。
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Many people claim that they have seen UFO with their own eyes, _____ I personally doubt.
A．when
B．where
C．that
D．which
答案：D
考查定语从句。在非限制性定语从句中，指代前文整句话是引导词只能使用which，故选D。