Steve Thompson Has Made an Offer to Purchase a Home

Steve Thompson has made an offer to purchase a home on a short sale from First Third Bank for $120,000. The bank has responded by e-mail indicating that it will consider the offer. At the end of the e-mail is this language:

E-mails and the language in e-mails are not considered offers or acceptances for purposes of formation of a contract. First Third Bank is not bound by any e-mail communications regarding the purchase or sale of property. All offers and acceptances must be handled through the bank's sales office.
Later Steve e-mails the bank back and reiterates his offer. A bank employees e-mails back, "We have your offer and are processing the paperwork now. It is accepted." Which of the following is correct?

A) Steve has a contract for the purchase of the home at the time the bank employee sent the e-mail.
B) Steve does not have a contract for the purchase of the home.
C) Steve has a contract for the purchase of the home at the time he receives the e-mail from the bank employee.
D) Steve has a contract when the sales office calls him to tell him the bank is accepting.