According to my father, movies, such as the one you talked about yesterday, _____ not worth seeing.

[       ]

A. are

B. do

C. is

D. does

指数基金的优势是（）。

A、费用低廉

B、风险较小

C、可以作为避险套利的工具

D、可以获得超出市场平均收益率的超额收益