Whichofthefollowingstatementsabout"shortse
题型：单项选择题
问题：
Whichofthefollowingstatementsabout"shortselling"isTRUE（）
A. A short position may be hedged by purchasing put options.
B. Short sellers may be subject to margin calls if the stock price increases.
C. Stocks that pay large dividends should be sold short before the ex-dividend date and bought afterward to take advantage of the large price decline in a short time period.