单选题Thereareforty-fivestudentsinour

单选题 There are forty-five students in our class, ________ are from nearby villages．A.one-third of themB.and one-third of whomC.one-third of themD.one-third of whom

D解析本题不能选A项，因为不是一个完整的句子，所以不能用关系代词；不能选B项，因为用了连词and之后就不能再用关系代词；不能选C项，因为中间是逗号，所以不能用两个简单句。

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