温度计能够起到以下作用（）。

A.保证压力管道安全运行

B.保证产品质量

C.提高生产率

D.节约能源

A client who survived an airplane crash has a diagnosis of posttraumatic stress disorder (PTSD). He has a history of nightmares, depression, hopelessness, and alcohol abuse. Which option offers the client the most lasting relief for his symptoms（）

A. The opportunity to verbalize memories of trauma to a sympathetic listener.

B. Family support.

C. Prescribed medications taken as ordered.

D. Alcoholics Anonymous (AA) meetings.