问题
选择题
It is best to eat three meals a day; otherwise, it is possible____ your health will suffer later in life.
A．that
B．when
C．while
D．as
答案
A
题目分析：句意：最好一天吃三餐，否则，可能你的健康在以后的生活中会受损。这里使用了句型：It is possible that+从句，that引导的是主语从句，it是形式主语，所以选A。