Which of the Following Mistakes Is Most Likely to Prevent

Which of the following mistakes is most likely to prevent the creation of a contract?

A) As a result of a mistake regarding the future value of a technology company, a stock broker buys stock in that company.
B) In January, a person agrees to pay $10 000 for the right to occupy a lakeside cottage during July and August.When both parties go to the lake on July 1, however, they discover that the cottage burned to the ground several weeks earlier.
C) A grocery supplier fills an order for 5000 cans of beans but mistakenly sends only 500 cans.
D) A bean wholesaler ships 5000 cans of golden wax beans to a customer who thought that he was ordering 5000 cans of corn.
E) A person agrees to a standard form contract on the internet by clicking the mouse on the "I Agree" icon.