连一连。

池上碧苔三四点    阴阴夏木啭黄鹂    杜甫

雨里鸡鸣一两家    叶底黄鹂一两声    王维

穿花蛱蝶深深见    竹溪村路板桥斜    晏殊

漠漠水田飞白鹭    点水蜻蜓款款飞    王建

Busy as they are, parents should ______ at least two hours to spend with their children. [ ]

A. set out          

B. set away      

C. set aside          

D. set off