English ECAT Exams Quizzes MCQs Quizzes English ECAT Spotting Errors Online Test 4

Question:
This is the boy
(A)whom I think had won
(B)the gold medal in the Dance competition
(C)No error

Option A):
(B)
Option B):
(C)
Option C):
(A)

Correct Answer is Option B):
(C)