I never saw him,_____ i can remember,reading English in the morning

题目

I never saw him,_____ i can remember,reading English in the morning
a.as far as b.as well as c.as long as d.as good as
为何选A?其他的意思和错在哪?

答案

as far as I remember就我所记得,是固定搭配
还有像as far as I am concerned这些都一样
并且这里做的是插入语部分.
as well as 跟as good as都表示像什么什么一样好
as long as是只要的意思