未分类题
In the last sentence of the third paragraph, the word 'suspected' can be best replaced by______.
A.doubtful
B.supposed
C.suspicious
D.said
A.A.doubtful
B.supposed
C.suspicious
【参考答案】
B
解析:通过后面的解释“but this has yet to be proven”可知,这只是一种推测,还没......
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