郭沫若把春秋战国时代称为中国学术思想史上的“黄金时代”，出现这种黄金时代的根本原因是

A．“百家争鸣”局面的出现

B．生产力发展导致社会变革

C．士阶层的形成及其活跃

D．诸侯争霸战争愈演愈烈

The nurse is caring for a client who exhibits signs of somatization. Which of the following statements is most relevant

A．Clients with somatization are cognitively impaired.

B．Anxiety rarely coexists with somatization.

C．Somatization exists when medical evidence supports the symptoms.

D．Clients with somatization often have lengthy medical records.