.A man may usually be known by the books he reads by the friends he keeps.A. as well asB.

问题补充：

.A man may usually be known by the books he reads by the friends he keeps.

A. as well as

B. as if

C. as soon as

D. as usual

答案：

(答案→)A. as well as

B. as if

C. as soon as

D. as usual

解析：考查连词的意义与用法。as well as连接两个并列成分,as if意为“似乎,好像”；as usual意为“通常”；as soon as意为“一……就”。