In this position White has a beautiful focred mate in five, so answer C) is correct:
1.Bxg7+!
Kxg7
2.Qh6+!!
The point - Black's king is dragged into a discovered double-check.
2...Kxh6
[2...Kh8
3.Bg6+
Kg8
4.Qh7#
]
3.Nf5+
Kg5
4.Ne4+
Kg4
5.Rh4#
or 5.Ne3++. This brilliancy was published far more than 100 years ago - in May 1890 on page 155 of International Chess Magazine. (Source: "A Chess Omnibus", Edward Winter, Russel Enterprises, Inc., 2003) *