Which of the Following Is the Difference Between a Stock

Which of the following is the difference between a stock warrant and a stock option?

A) A stock warrant can be freely traded, whereas a stock option cannot be traded.
B) A stock warrant can only be issued to employees, whereas a stock option can be issued to anyone.
C) A stock warrant authorizes its holder to purchase a stated number of shares at a stated price, whereas a stock option allows its holder to purchase any number of shares at any price.
D) Shares bought through a stock warrant can be bought back by the company issuing the shares, whereas shares bought through a stock option cannot be bought back.