Concept:A counter offer replaces the original offer with new terms.
Explanation:A counter offer is made when the offeree does not accept the original offer exactly as given.
Instead, the offeree proposes different terms.
For example, if a seller offers a contract for a certain price and the buyer replies with a different price, that reply is a counter offer.
It destroys the original offer and introduces a new one.
So the key feature is that the new offer is different from the original offer.
Answer:A. different from the original offer