A．(A) No government or theory can alone cope with the complexities of the global economy.

B．(B) No government can understand the theory of the global economy because of its complexities.

C．(C) World War Ⅱ has made the global economy more complex to be explained in terms of traditional economic theories.

D．(D) Our government must frame a new theory so as to control the development of the global economy.

引起疱疹性咽峡炎的病原体是（）

A.鼻病毒

B.流感病毒

C.副流感病毒

D.腺病毒

E.柯萨奇病毒