The second book I want to read is Business at the Speed of Thought.A. whichB. thatC. wha

问题补充：

The second book I want to read is Business at the Speed of Thought.

A. which

B. that

C. what

D. As

答案：

A. which

(答案→)B. that

C. what

D. As

解析：考查定语从句。当先行词有序数词、最高级修饰，或是不定代词时，定语从句只能用that引导。本题中，that作read的宾语。which和as引导非限制性定语从句；what不能引导定语从句。故选B。