In February 2006, the X and Y sections of a certain expressway entered the bidding stage, and four units of A, B, C, and D were bidding  Xiao Wang believed: It is not the A family won the bid, or the B family won the bid  Xiao Li believes : Both A and C can win the bid  Xiao Zhou said: It cannot be said that if D wins the bid, then C wins the bid
Xiao Ma thinks: Dcannot win the bid
A,C.