Correct answer: B:d51...d4[a] 2.Bg2#[Б] 1...N:c6 2.Qb1#[A] 1...Rd6/Rf8 2.Rf8#[C] 1...Bb5/Bc4/Bb7/Bc8 2.Ra1#[D] 1...Rc4/R:c6/Rb5/Ra5 2.