The security rationale is very important for any scientific or technological endeavor because the budget of security- related programs is limited usually by that nation's comprehension of a hazard or redefine the idea of national security.

A．perception

B．reason

C．passion

D．reaction

哈罗德－多马经济增长模型认为在（）情况下，结果是经济收缩。

A.GA＞GW

B.GA＝GW

C.GA＜GW

D.以上答案都不对