A.{(2,3)} B.(2,3) C.
A
解析:∵M={(x,y)|y=x+1,x≠2},N={(x,y)|y≠x+1},
∴M={(x,y)|y≠x+1,或(2,3)},N={(x,y)|y=x+1},则(M)∩(N)={(2,3)}.