Which of the Following Is Not One of the Differences

Which of the following is not one of the differences between limit and market orders?

A) Limit orders define the price at which the shares will be purchased while market orders are independent of the final price.
B) Limit orders are usually made by major institutions while retail investors make market orders.
C) The amount of shares that can be purchased with a limit order is pre-specified by the underwriter, while market orders can be for any number of shares.
D) Limit orders are expressions of interest while market orders are for fixed amounts.