is too difficult if you put your heart into it.A. somethingB. anythingC. everythingD. not

问题补充：

is too difficult if you put your heart into it.

A. something

B. anything

C. everything

D. nothing

答案：

A. something

B. anything

C. everything

(答案→)D. nothing

解析：根据常识的内容可知答案为D，表示没有什么内容，