The seller was trying to sign a substantial order（）A、 that is made with certain conditions.B、 that you have finalized the delivery dates. C、 then he could get a large discount.D、 to be more flexible over terms of payment.
题目
The seller was trying to sign a substantial order（）
- A、 that is made with certain conditions.
- B、 that you have finalized the delivery dates.
- C、 then he could get a large discount.
- D、 to be more flexible over terms of payment.