No fewer than four candidate moves ...

... the first player had to consider here when she went for 34.Rd1-d8 (diagram), pinning the Bf8 on the opponent's back rank but also making her own king prone to perpetual check ideas. What is the correct continuation for Black now?
A) 34...Rd6
B) 34...Rxf6
C) 34...Qb1+ 35.Kh2 Qe4
D) 34...Qb2