依据社会平均成本、市场供求状况和社会承受能力合理制定和调整的药品价格是

A．企业自定价

B．市场调节价

C．地域调节价

D．政府定价和政府指导价

E．医药行业定价

All the students in our class are working hard every day, and the result _____ to be good in the coming examination.

A．promises

B．expects

C．supposes

D．thinks