Correct answer: B:c71...c6[a] 2.Qa5#[A] 1...c5/[б]/ 2.Qd7#[Б] 1.Kc4[C]? (2.Qb5#) 1...c6[a] 2.Qa5#[A] 1...c5/[б]/ 2.Qd7#[Б] but 1...N:c2! 1.N:a1?? zz 1...Ka3/c