A, a New York firm, sends a purchase order to B in Sweden. A standard clause on the purchase order ...

A, a New York firm, sends a purchase order to B in Sweden. A standard clause on the purchase order states that All disputes are to be heard in the courts of New York. B confirms using its standard form, which states that all disputes are to be resolved in arbitration before the ICC, Sweden. Under the CISG:
 A) A contract exists on A's terms because B's terms were a material alteration and do not become a part of the contract.
 B) A contract exists on B's terms because the modification is immaterial.
 C) No contract exists because B's terms were a counteroffer that was not accepted by A.
 D) A contract exists because A did not promptly object to the new terms.