With no explanation, chose the best option from "A", "B", "C" or "D". cannot be a valid acceptance under § 2-207(1) and, accordingly, no contract was created by the exchange of forms. See Dorton, 453 F.2d at 1168 (“In order to fall within this [§ 2-207(1) ] proviso, it is not enough that an acceptance is expressly conditional on additional or different terms; rather, an acceptance must be expressly conditional on the offer- or’s assent to those terms.”). Christy argues that, if its customer acknowledgment form was not a valid acceptance of PCS’s offer, then the acknowledgment form was converted into a nonbinding counter-offer to which PCS in turn assented through its acceptance of and payment for the goods. See Brief of Appellant at 27-31; see also Construction Aggregates Corp. v. Hewitt-Robins, Inc., 404 F.2d 505 (7th Cir.1968) (Construction Aggregates) (<HOLDING>), cert. denied, 395 U.S. 921, 89 S.Ct. 1774, 23

A: holding that although sellers acknowledgment was not valid acceptance of buyers offer under  22071 buyers subsequent acceptance of and payment for goods along with buyers objection to a particular term within counteroffer constituted assent to remaining terms of counteroffer
B: holding that buyers retention and use of boiler was an act inconsistent with sellers ownership and constituted acceptance precluding rejection
C: holding that purported acceptance was a counteroffer when it conditioned settlement upon satisfaction of liens
D: holding that a valid contract requires acceptance of an offer
A.