问题补充:
---What he enjoys great and interesting.
---Yes, its dangerous.
A. sounds, but
B. to sound, but
C. sounds, so
D. to sound ,so
答案:
(答案→)A. sounds, but
B. to sound, but
C. sounds, so
D. to sound ,so
解析:but但是,表示转折;so因此;表示因果。句意:他欣赏的东西听起来真棒真有趣。——是的,但是太危险了。上文主句缺少谓语动词,下文前后为转折关系,故选A。