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（西安石油大学英语二）
16. (单选题) This latest theory has yet to be proved but seems to offer a better explanation ________ why Flight 19 and all the other planes, ships and people have disappeared in the Bermuda Triangle. ( )(本题2.0分)
A、 thanks to
B、 as to
C、 up to
D、 prior to
A、 thanks to
B、 as to
C、 up to
D、 prior to
参考答案