Correct answer: B:d71...b4 2.Nc4# 1...Nc1/N:c5/Nd2/Nd4/Na1/Na5 2.Qd5# 1...Nf6 2.Rg5# 1...Bb7/Ba6 2.N:d7# 1.Rd3?? (2.Rd5#) 1...