(单选题) Many beautiful fish are fast disappearing ______ the severe pollution.(本题3.0分) A、 because of B、 because C、 now that D、 when

(单选题) Many beautiful fish are fast disappearing ______ the severe pollution.(本题3.0分)
A、 because of
B、 because
C、 now that
D、 when

出自：延安大学—大学英语3

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