Which freedom fighter highlighted the drain of India's wealth into Britain, in his book `Poverty and Un-British Rule in India' in 1901 ?

Which freedom fighter highlighted the drain of India's wealth into Britain, in his book `Poverty and Un-British Rule in India' in 1901 ?
(A) Dinshaw Edulji Wacha
(B) Dadabhai Naoroji
(C) Gopal Krishna Gokhale
(D) Womesh Chandra Bonerjee
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ANS- (B) Dadabhai Naoroji