In the following question, a sentence is given with four words marked as (A), (B), (C) and (D). These words may or may not be placed in their correct order. Four options with different arrangements of these words have been provided. Mark the option with the correct arrangement as the answer. If no rearrangement is required, mark option (5) as your answer. 

Due to the illegal (A) hunting of wild (B) in India's forests, they have become an endangered (C) species in the tigers. (D)