ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 English Spotting Errors 6

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

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

Correct Answer is Option C):
(B)