Question

Energy, passion and a burning desire are, you see, ________ true learning takes.

A．that	B．what
C．how	D．which

Answer 1

B

B 考察名词性从句。句意：精力，激情和渴望，你是知道的，是真正求知所需。What引导表语从句，在从句中作为take的宾语。故B正确。