A. Shipment on Dec.31,2015 B. Shipment before the end of Dec.,2015 C. Shipment on or before Jan.15th.,2015 D. Shipment during Nov.to Dec.,2015 E. Shipment within 30 days after receipt ofL/C
A. 对 B. 错
A. 甲方案 B. 乙方案 C. 甲方案和乙方案