In China, ______car is getting to be ______popular means of transport.

A．the; the

B．a; /

C．the; a

D．a; the

以下哪一项措施能够更有效地预防隐性遗传病 [ ]

A．禁止近亲结婚    

B．提倡适龄生育  

C．进行遗传咨询    

D．进行产前诊断