Baseball is the --- of fathers and sons. They usually go to see a game together.

题目

Baseball is the --- of fathers and sons. They usually go to see a game together.
A game B activity C communication

答案

C
从字面意思就能看出来：棒球不可能是一项父亲和儿子的比赛 他是一帮棒球手的比赛.
activity是指活动,这本来用在父子身上就不太合适,况且棒球也不可能是一项父子的活动.
选C,棒球是一项父子之间的交流,所以他们才能经常去看它