The following sentence has been divided into four parts - (A), (B), (C) and (D) one of which has an error. Choose the part which contains the error : (A) My cousins are smart (B) when it come (C) to winning an argument (D) concerning politics Choose the correct answer from the options given below :

(A) Only (B) Only (C) Only (D) Only

(B) Only

The correct answer is Option (2) - (B) Only