X made a selling offer to Y, “Shipment within 2 months after receipt of L/C, offer valid i
A、X should ship the goods for the contract was concluded when X received Y’s acceptance.
B、X should ship the goods for the contract was concluded when X received Y’s L/C.
C、Y’s reply, “Accept your offer, shipment immediately.” is a couteroffer.
D、Y’s L/C is an acceptance.
E、Y’s L/C is a new offer.
F、There would be no contract concluded unless X accepted Y’s L/C.