题目内容
I began to fish before memory began, _______ I know I have always fished.
A. so far B. so as far as C. as far as D. so
B
本题中逗号前是一个主从复合句,后面也是主从复合句,因此其间需要一个并列连词,so 是并列连词,B,D两项中有so,如果选D,I know后面的部分成了宾语从句,不符合题意。而B项的so连接两个分句,as far as为I know的从属连接词,故B为正确答案。
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