A Stop-Limit Order Is an Order to Buy or Sell

A stop-limit order is an order to buy or sell a stock that combines the features of a stop order and a limit order.Once the stop price is touched in the market,the stop-limit order becomes a limit order to buy or to sell at the limit price.Which of the following are true?

A) The benefit of a stop-limit order is that the investor can control the price at which the trade will get executed.
B) A stop-limit order may never get filled if the stock's price never reaches the specified limit price.This may happen especially in fast-moving markets where prices fluctuate wildly.
C) The use of stop limit orders is much more frequent for stocks that trade on an exchange than in the over-the-counter (OTC) market.
D) In addition,your broker-dealer may not allow you to place a stop limit order on some securities or accept a stop limit order for OTC stocks.
E) all of the options