How Is a Cashier's Check Different from an Ordinary Check

How is a cashier's check different from an ordinary check?

A) Cashier's checks can be postdated, but ordinary checks cannot be postdated.
B) Unlike ordinary checks, cashier's checks do not require the purchaser to hold a checking account at that bank.
C) Unlike ordinary checks, cashier's checks are cancellable negotiable instruments upon issue.
D) Cashier's checks are three-party checks, while ordinary checks involve only two parties.