---What he enjoys great and interesting.---Yes but it’s dangerous.A. sounds B. soundingC

问题补充：

---What he enjoys great and interesting.

---Yes, but it’s dangerous.

A. sounds

B. sounding

C. sounded

D. to sound

答案：

(答案→)A. sounds

B. sounding

C. sounded

D. to sound

解析：考察主语从句。本句中he enjoys作后置定语修饰what，故本句真正主语是what，抽象名词不可数，叙述客观情况用一般现在时态，谓语动词用单数。故选A。