MCQmediumRules for 'a' before consonants and 'an' before vowels

When is 'an' used according to the rules of articles?

Options

aBefore consonants
bBefore vowel 'U' when pronounced as 'you'
cBefore vowelscheck_circle
dWhen referring to something specific for the second time

Key Points

Rule 3 states: "'A' is used before consonants and 'an' is used before vowel."

Source

Class 6English Grammar and Composition Chapter 3: Articles: a, an, the Topic: Rules for 'a' before consonants and 'an' before vowels

Aligned to the NCTB national curriculum.