A man may usually be known by the books be reads ________ by the friends he keeps．
A.rather thanB.as well asC.in place ofD.as many as在线课程B
解析：
句意：一个人通常除了通过他交的朋友外，也能通过他所阅读的书籍得以了解。rather than“而不是”，不合题意；
in place of“代替”；
as many as“和……一样多”；
as well as“不仅……而且……”