一道单选,说明理由!

问题描述:

一道单选,说明理由!
Bamboo and silk _____making kites.
A uesd for
B are uesd to
C are uesd for
D uesd to

选CA uesd for 用于people use bulb for seeing in the darkB are uesd to第一种用法 被用来加dobulb are uesd to help people see in the dark第二种 习惯+doing i'm used to staying up late 我习惯于熬夜C are ue...