What is a "put" option?

A$.$

It is a contract that gives the holder the right to sell an instrument at a pre$-$specified price.

B$.$

It is a contract that is derived from some other underlying quantity, index, asset or event.

C$.$

It is a contract that gives the holder the right to acquire an instrument at a pre$-$specified price.

D$.$

It is a contract that gives the holder the right to buy or sell something at a specified price.