Fishing with Dad was so for little Sam that he almost fell asleep.A. excitedB. excitingC.

问题补充：

Fishing with Dad was so for little Sam that he almost fell asleep.

A. excited

B. exciting

C. bored

D. boring

答案：

A. excited

B. exciting

C. bored

(答案→)D. boring

解析：excited兴奋的，指人；exciting令人兴奋的，指物；bored无聊的，指人；boring无聊的，令人厌烦的，指物。句意：对于小萨姆来说和父亲一起钓鱼是如此无聊，以至于他几乎睡着了。结合语境可知本句指的是钓鱼这件事很无聊，选D。