If White plays Qb3, what should Black do to attack the b2 pawn?
A) Play Re1, transfer the knight to F8, play Be6 then Qd2
B) Play exf6, Bd6, then O-O
C) Bxh3, gxh3, then Qxh3
D) Defend the D5 pawn with Nf6 and E6