Ted Offers to Sell His Car to Frank for $3,000

Ted offers to sell his car to Frank for $3,000 cash, offering to deliver the car in two days. Frank responds, "It's a deal, here's a thousand now and I'll pay the other $2,000 in a week." In this situation, which of the following applies to Ted?

A) He has a binding contract as a result of Fred's acceptance.
B) His offer was rejected by Frank.
C) He must decide whether to accept Frank's counter-offer
D) He must decide whether to accept Frank's conditional offer.
E) Both B and C