Use the Following Two Columns of Items to Answer the Matching

Use the following two columns of items to answer the matching questions below:
-on margin
A)purchasing stock with funds borrowed from a brokerage firm
B)an order to buy or sell at the prevailing market price
C)an order to sell a stock when the price falls to a specified level
D)a brokerage firm that provides advice plus transaction services
E)a brokerage firm that executes transactions without giving advice