The following sentence has been divided into four parts. One of them contains an error. Select the part that contains the error from the given options.
The sun / revolves / around / a earth.

Correct option is C

Option (c) contains an error.
The noun "earth" starts with a vowel sound, so it should be preceded by the article "the", not "a".
Correct sentence: The sun revolves around the Earth.
Grammatical rule used: Use “the” before unique entities like Earth, Moon, Sun when they are used as proper nouns.
Example: She dreams of going to the Moon someday.
Information Booster: Use “the” before Earth when it refers to the planet, not “a” or “an”.