This reflects the priority being attached to economic over political activity, partly caused by a growing reluctance to enter a calling blighted by relentless publicity that all too often ends in destroying careers and reputations.

A．divine summons

B．political career

C．profession

D．business transaction

人口限制区主要是自然环境不适宜人类常年生活和居住的地区。属于人口限制区的地区是（）

A.东北地区

B.青藏地区

C.华东地区

D.东南地区