This is the only articles of these that _____written by him A.was B.were c.is D.are怎么选那时态呢?请注意时态啊

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This is the only articles of these that _____written by him A.was B.were c.is D.are怎么选那时态呢?请注意时态啊

This is the only articles of these that _____written by him A.was B.were c.is D.are怎么选那时态呢?请注意时态啊
This is the only articles of these that _____written by him A.was B.were c.is D.are
怎么选
那时态呢?请注意时态啊

This is the only articles of these that _____written by him A.was B.were c.is D.are怎么选那时态呢?请注意时态啊
选 a
the only 修饰着 所以用单数
指 所有中的唯一一个 是由他撰写的

B
that 后面跟得从句修饰的是articles,所以用复数,即are或were
又因为写作时间一定在以前,用过去时,就是were

选A,因为前面有the only限定词,如果无,选B

B article后面跟复数,又因为这句话是过去式,所以选were

B