Walt's Pool World's Fax to Pat's Pumps: "I'll Take 10

Multiple Choice

Walt's Pool World's fax to Pat's Pumps: "I'll take 10 4 hp pool pumps @ $175 each."
Pat's Pumps' return fax: "Ok.Will deliver tomorrow AM."
Pat and Walt:

A) do not have a contract because the faxes will not satisfy the statute of frauds.
B) do not have a contract because of the mirror image rule.
C) had a contract when Pat's fax was sent.
D) had a contract when Pat's fax was received.