Your friends were all worried over _________you were sick.A :that B :the fact that 我选的前者,答案是后者,后者为什么对?前者为什么不对?（请大侠详细说明,完全搞懂一个题是非常重要的）

Your friends were all worried over _________you were sick.A :that B :the fact that 我选的前者,答案是后者,后者为什么对?前者为什么不对?（请大侠详细说明,完全搞懂一个题是非常重要的）
Your friends were all worried over _________you were sick.
A :that B :the fact that
我选的前者,答案是后者,后者为什么对?前者为什么不对?（请大侠详细说明,完全搞懂一个题是非常重要的）

Your friends were all worried over _________you were sick.A :that B :the fact that 我选的前者,答案是后者,后者为什么对?前者为什么不对?（请大侠详细说明,完全搞懂一个题是非常重要的）
over是介词,后面需要接ing或名词,所以要有the fact,that是用来解释the fact的从句.

over是介词，后面需要接ing或名词，所以要有the fact，that是用来解释the fact的从句。

如果是前者，这句话是没有明确宾语的。所以后者正确

后面跟的是一个宾语同位语从句