Kiiko Offers to Sell Her Dog to Taiga for $250

Kiiko offers to sell her dog to Taiga for $250.00. Taiga immediately yells, "heck no!" Later Taiga changes his mind and calls Kiiko up to tell her that he accepts her offer. Which statement below is correct?

A) Taiga rejected the offer, and a rejection terminates an offer.
B) As long as Kiiko has not entered into an agreement with another person, Taiga can reaccept the offer.
C) If Kiiko does not specifically state to Taiga that she rejects his acceptance Taiga may accept it even though he first rejected it.
D) Taiga has unlimited times to reject and to accept an offer until Kiiko has given Taiga a formal revocation notice.