A part/ parts of the sentence may or may not have an error. Find out which part has an error and mark that part as your answer. If there are no errors, mark 'No error' as your answer.

He commissions his three sons,(A)/ two of they untrustworthy and feckless,(B)/ the third brave and honest, to go and(C)/ find the bird and return the same to him. (D)