I had planned to invite Tom to the party to increase the atmosphere, but it turned out that his arrival ____ the atmosphere.

A．damaged

B．harmed

C．destroyed

D．spoiled

货币“超中性”的含义是指货币数量的变动（）。

A.只能在短期影响实际变量值

B.无论短期与长期，都能影响实际变量值

C.只能在长期影响实际变量值

D.无论短期与长期，都不能影响实际变量值