From among the following statements regarding economic critique of colonialism, which ones are correct?

(A) The British administrators attributed the rapid construction of railroads and the growth of India's foreign trade as a proof of India's prosperity

(B) For nationalists, a negative impact on indigenous industries, foreign trade and railways represented India's underdevelopment of economy

(C) The nationalists emphasized that while expenditure served British imperial needs, it also brought consequent prosperity to Indian people

(D) Not until 1905, did the drain theory form part of the Indian National Congress agenda 

Choose the most appropriate answer from the options given below: