小儿急性白血病的治疗，哪一项是错误的（）

A.尽早给予化疗

B.尽可能强烈化疗

C.分阶段连续化疗

D.不用分型，化疗越强烈越好

E.分型治疗

Some children want to challenge themselves by learning a language different from ______ their parents speak at home.

A．what

B．that

C．which

D．one