Speaker A: I'm going to the park with some friends for a barbecue on Sunday. Would you like to join usSpeaker B: ______

A．Why not on Saturday You see, I have an important appointment on Sunday.

B．Thanks, but unfortunately I have to take my sister to the airport on Sunday.

C．That's a wonderful idea. Barbecue is one of my favorites.

D．What preparation do you expect me to do for the barbecue

某公司从瑞典进口一批植物种子（纸箱包装），进境口岸为天津，货物目的的地方西安，入境报检时无须提供的单据是（ ）

A．合同、发票、提单

B．关于包装的声明或证书

C．中华《人民共和国进境动植物检疫许可证》

D．陕西检验检疫机构出具的“准许调入函”