Which of the Following Is True Regarding Disclaimers of the Implied

Which of the following is true regarding disclaimers of the implied warranty of merchantability?

A) Any attempt to disclaim the implied warranty of merchantability is per se unconscionable, but a court will enforce the disclaimer if the buyer is another merchant and is fully informed of the disclaimer.
B) Any attempt to disclaim the implied warranty of merchantability is per se unconscionable, and a court will refuse to enforce the disclaimer.
C) Under some situations, a disclaimer of the implied warranty of merchantability may be made within 10 days after a sale.
D) A disclaimer of the implied warranty of merchantability may be done orally.
E) By federal law, there is no requirement that the term "merchantability" be used in any disclaimer.