预防子宫脱垂的主要措施是

A．提倡晚婚晚育

B．推行科学接生和产后保健

C．防治老慢支

D．治疗便秘

E．对老人进行雌激素替代治疗

Years ago, consumers in Finland began paying an energy tax in the form of two Finland pennies for each unit of energy consumed that came from nonrenewable sources. Following the introduction of this energy tax, there was a steady reduction in the total yearly consumption of energy from nonrenewable sources.
If the statements in the passage are true, then which of the following must on the basis of them be true

A．There was a steady decline in the yearly revenues generated by the energy tax in Finland.

B．There was a steady decline in the total amount of energy consumed each year in Finland.

C．There was a steady increase in the use of renewable energy sources in Finland.

D．The revenues generated by the energy tax were used to promote the use of energy from renewable sources.

E．(E) The use of renewable energy sources in Finland greatly increased relative to the use of nonrenewable energy sources.