We'll go to the farm and help the farmers with the apple-picking if it _____ tomorrow. [ ]

A. won't rain

B. will be rainy

C. doesn't rain

D. isn't raining

制定社区卫生计划和进行社区卫生评价所依据的是

A．初级卫生保健标准

B．卫生保健服务

C．检出高危人群

D．增加卫生投入

E．开展社区卫生调查