The following sentence has been divided into parts. One of them may contain an error.
Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
Fortunately, he passed the exams / with dint of / sheer hard work and diligence.

A

sheer hard work and diligence

B

with dint of

C

No error

D

Fortunately, he passed the exams