下列哪项对肺炎球菌肺炎的诊断最有价值

A．肺部湿性哕音

B．高热、咳铁锈色痰

C．痰培养肺炎球菌阳性

D．胸片大片均匀致密影呈肺叶或肺段分布

E．白细胞升高，核左移，胸浆有中毒颗粒

The head teacher with his students ______ Qinglongshan Park if it ______ tomorrow. [ ]

A. is going to; isn't rainy

B. are going to; isn't rainy

C. is going to; won't rain

D. are going to; doesn't rain