Direction: Spot the grammatical errors in the given sentence. Mark the part with error as your answer. If there is no error, mark "No error" as the answer. (Ignore punctuation error)

For much of the developing world, (a)/ historically, environmentalism was seen as a luxury (b)/ rather than a necessity because (c)/ always the development imperatives was seen to be urgent. (d)/ No error (e)

[INDIAN BANK(PO), 2011]