When Writing a Cheque Made Out to Austin,Walter Left Visible

When writing a cheque made out to Austin,Walter left visible spaces between the numbers when he wrote them down.As a result,Austin added an extra 7 in between two of the numbers on the cheque costing Walter $7000 more than he intended to be withdrawn from his chequing account.Which of the following is true?

A) Since the alteration was caused by Walter's carelessness,the bank is entitled to take the extra $7000 from the account.
B) The bank is never entitled to take extra money despite carelessness.
C) Real defenses only apply to forgery and minority,never to material alterations.
D) A defect in title defense claim will arise.
E) A personal defense claim will arise.