Operations which left patients ________ and in need of long periods of recovery time now leave them feeling relaxed and comfortable.
A、exhausted
B、abandoned
C、injured
D、deserted
【正确答案】：A
【题目解析】：句意：曾一度使病人疲惫不堪，需要长时间休整恢复的手术现在却让病人轻松舒适。exhausted“筋疲力尽”，符合句意。injured“受伤的”；deserted“废弃的，荒芜的”；abandoned“被抛弃的”。
