Different parts of the given sentence are marked (A), (B) & (C) and are separated by a forward stroke (/). Find out the part of the sentence that contains the error and select the appropriate choice. If there is no error in the sentence, then mark "No Error (D)" as your answer.
She couldn’t but help (A)/ shed tears at the poor condition of the people (B)/ who had been rendered homeless by the cyclone Ockhy. (C)/ No Error (D)