以政策效果为标准，把公共政策划分为物质性政策和符号性政策的是（）。

A.伊斯顿

B.洛维

C.休斯

D.安德森

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.