Have you got ____ books  for the train journey? It will take you 20 hours to ____ in Harbin.

A．large quantities of, get

B．a great deal of, stay

C．a good many of, live

D．a good supply of, arrive

某投资者买了一张年利率为10%的债券，其名义收益率为10%。若1年中通货膨胀率为5%，则投资者的实际收益率为( )。

A．0

B．5%

C．10%

D．15%