he referred to in his article was unknown to the general reader.A. ThatB. WhatC. Whether

发布时间：2020-08-15 00:45:45

     he referred to in his article was unknown to the general reader.
A. That
B. What
C. Whether
D. Where

网友回答

A. That
(答案→)B. What
C. Whether
D. Where
解析：主语从句连接词的选用。分析该句中主语部分的结构可知，空格中应填一个作主语的连接词。在所给的四个连接词中，只有what能充当主语，故选B项。
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