Choose the best answer from the selection below. Nature's Products, Inc., sends its standard order form to Omni Distribution Corporation to evidence a sale of packing materials. Omni responds with its own standard purchase order form. Additional terms in the purchase order automatically become part of the contract unless

Select one:

a$.$ the original offer expressly required acceptance of its terms.

b$.$ the terms materially alter the original contract.

C$.$ the offeror objects to the new terms within a reasonable time.

d$.$ any of the choices.