采用发酵法炮制药物时适宜的温度和相对湿度是()

A.15°C～20°C,45%～55%

B.18°C～25°C,65%～75%

C.30°C～37°C,70%～80%

D.30°C～37°C,65%～75%

E.18°C～25°C,70%～80%