-A number of college students_______ to work in China's rural  (农村的)  areas.

-Yes, we call them "college-graduate village officials". Their number is getting_______.

They brought new ideas to the less-developed villages.

A．have been encouraged; bigger and bigger

B．has been encouraged; bigger and bigger

C．have encouraged; more and more

D．has encouraging; more and more

下列哪项不是临产后肛查的目的

A．了解宫颈口扩张程度

B．了解胎方位

C．了解是否有脐带先露

D．了解胎先露下降程度

E．了解骨盆腔大小