We have received no reply to our letter of 2nd May in which we c

We have received no reply to our letter of 2nd May in which we complained about April's consignment of tools.
It means:
A、We wrote to you on 2d May to tell you that we were not satisfied with a consignment of tools.
B、We have not yet received the order we placed on 2 May for a consignment of tools.
C、In our letter to you we complained about the consignment of tools we received on 2 May.
【正确答案】：A