Medical doctors sometimes can make mistakes _____

试题详情及答案解析

Medical doctors sometimes can make mistakes ______ will cost ______

A．that; patients their lives

B．what; patients their lives

C．which; patients for their lives

D．that; patients with their lives

答案：A

试题分析：考查定语从句先行词的使用和动词的使用。这里先行词是mistakes，并且在从句中是作主语，故选that或者which。cost one’s lives，花费某人的生命。句意是：医生有时候会犯一些错误，使得病人失去自己的生命。故选A。
考点：考查定语从句先行词的使用和动词的使用