Raj Rajaratnam,a Successful Investor in the 2000s Who Consistently Beat

Raj Rajaratnam,a successful investor in the 2000s who consistently beat the market,was able to outperform the market on a consistent basis,indicating that

A) securities markets are not efficient.
B) unexploited profit opportunities were abundant.
C) investors can outperform the market with inside information.
D) only B and C of the above.