Q. I'm sorry. I didn't mean to do that. It was . . . . . . . . mistake.
✅ Correct Answer: (A)
a
Explanation: 'A' is used before unspecific/general, singular nouns which begin with a consonant sound. The sentence is referring to an unspecific 'mistake'. Therefore, the correct article is 'a'.
Explanation by: Mr. Dubey
'A' is used before unspecific/general, singular nouns which begin with a consonant sound. The sentence is referring to an unspecific 'mistake'. Therefore, the correct article is 'a'.