男性，26岁，系统性红斑狼疮患者，面部有较严重的蝶形红斑，且有脱发及糖皮质激素治疗引起的容貌改变，该患者最主要的护理诊断是（）。

A.疼痛

B.活动无耐力

C.自我形象紊乱

D.知识缺乏

E.焦虑

Questions refer to the following graph.

In 1984 the average cost of operating a subcompact car was approximately what percent less than the average cost of operating a midsized car

AVERAGE COSTSOF OPERATING SUBCOMPACT, COMPACT, AND MIDSIZECARS IN THE UNITED STATES, 1982～1986