John Offers to Sell Stacy a Car,and Stacy Sends an Email

John offers to sell Stacy a car,and Stacy sends an email accepting John's offer.When he receives the email,John calls Stacy and tells her that she can "pick up the car any time." That night,the car is destroyed when a tree falls on it during a storm.Which of the following statements is true?

A) If John is an accountant,Stacy must bear the loss.
B) If John is a used-car salesman,Stacy bears the loss.
C) Since the parties did not agree on delivery,a contract did not form.
D) Stacy bears the loss,regardless of John's profession.