He looked behind from time to time ____ he were being followed by someone
题目
He looked behind from time to time ____ he were being followed by someone
a、only if
b、 even if
c、as though
d、 ever since
答案
选C
as though 是“就像..一样”的意思
这句话翻译是：他时不时地往后看,就像后面跟了人一样
这里只有as though符合句意,其他都不符合
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