We confirm having accepted
A.on May 5, 2019
B.before May 5, 2019
C.on or before May 5, 2019
D.on and after May 5, 2019
正确答案:C
We confirm having accepted
A.on May 5, 2019
B.before May 5, 2019
C.on or before May 5, 2019
D.on and after May 5, 2019
正确答案:C