Consider the following statements about stock markets. I. Even though there are more companies are listed in NASDAQ, more trading (in dollar) takes place in NYSE. II. More than 50% of trading of NYSE-listed stocks takes place in NYSE itself. III. A specialist is a market maker who arrange the market for a give stock, and is a unique feature of NASDAQ. A. Only I and II are correct. B. All I, II and III are correct. C. Only II and III are correct. D. Only I and III are correct. E. Only I is correct