English ECAT Exams Quizzes MCQs Quizzes English ECAT Spotting Errors Online Test 6

Question:
I inquired of him
(A)when he is so negligent
(B)in his studies
(C)No error

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

Correct Answer is Option A):
(B)