Who said that "Every attack on my back bone would prove to be a nail in the shroud of the British Empire."?

A) Lala Lajpat Rai

B) Bhagat Singh

C) Chandrasekhar Azad

D) Bal Gangadhar Tilak

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2007 (GS Paper I)