On January 1,A Offers to Sell His Property to B

On January 1,A offers to sell his property to B for $175 000.00 and gives B an option to purchase the property until July 1.The option reads: "The said option shall be exercisable by notice in writing to the seller at any time within 6 months from the date of the option." B mails his acceptance to A on February 12,but the letter never reaches A.In this situation

A) B's acceptance by mail is not in accordance with the option and there is no contract between A and B.
B) since the option states that it is exercisable by notice in writing to the seller,mailing the acceptance is deemed to be notice to the seller.
C) since the option states that it is exercisable by notice in writing to the seller,and since the acceptance never came to the seller,B's acceptance by mail is not acceptance at all.
D) B's acceptance of the option by mail is a proper acceptance,creating a contract between A and B.
E) none of the above