the giant panda belonged to the bear raccoon families was a matter o

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问题 ______the giant panda belonged to the bear______ raccoon families was a matter of zoological contention for many years.

选项 A、Whether...or
B、That...and
C、As...and
D、That...or

答案 A

解析 whether…or固定词组。

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______the giant panda belonged to the bear______ raccoon families was a matter o