Learning to use a computer is getting easier all the time

问题描述:

Learning to use a computer is getting easier all the time
because programs are designed to be convenient and are becoming readily __to computer users.
A.available
B.approachable
C.comfortable
D.adaptable

A
因为程序要被设计成简易并且对于电脑使用者能够使用..
become available to ...对...可用
B可达到
C舒适
D可升级的