we're talking about the events and the athlets ()were mentioned in the sports news.a that b which 为什么呢
问题描述：
we're talking about the events and the athlets ()were mentioned in the sports news.
a that b which 为什么呢
答
选A 这是一个定语从句，先行词是the events and the athlets，又有人又有物，只能用that引导
答
a that
又有人,又有物时,只能用that .