An analyst does research about index investing. The rationale for investing in index funds least likely includes the ability to:

A. diversify the investments.
B. reduce the cost of investing.
C. capture arbitrage opportunities.

功能解毒杀虫，消肿止痢的药物是（）

A.雄黄

B.硫黄

C.大蒜

D.蟾酥

E.樟脑