The purpose of the newly-invented robots which can help bathe people is to the dignity and

问题补充：

The purpose of the newly-invented robots which can help bathe people is to the dignity and privacy of patients.

A. destroy C. observe C. attend D. preserve

答案：

解析：考查动词辨析。destroy毁坏，observe观察，attend参加，出席，preserve保护，维护。句意：新建的机器人帮助人们洗澡的目的就是维护病人的尊严和隐私。故选D。