选举法规定，在直接选举中，正式代表候选人名单应当在选举之前公布。下列选顷哪个是正确的公布日期( )。

A．5日之前

B．15日之前

C．20日之前

D．10日之前

In order to produce more grain, it________that the area of farmland_____.

A．is demanded, being increased

B．has been demanded, be increased

C．demand, should be increased

D．demands, should increase