We confirm（）your order No.7891 dated May 10，1990.A、to have receivedB、having receivedC、receivingD、toreceive
题目
We confirm（）your order No.7891 dated May 10，1990.
- A、to have received
- B、having received
- C、receiving
- D、toreceive
We confirm（）your order No.7891 dated May 10，1990.