The amount of sleep a person needs also increases if he/she has

The amount of sleep a person needs also increases if he/she has been deprived of sleep in previous days. 斜体部分可替换为： ______
A、taken away
B、cured
C、rid
D、ensured
【正确答案】：A
【题目解析】：take away 拿走；cure 治愈；rid 使摆脱；ensured 保证；句意：如果一个人在前几天被剥夺了睡眠，他/她需要的睡眠量也会增加。deprived of 剥夺的意思，因此A 符合题意。