The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
It would be / more better if / she sang / with an orchestra.

Correct option is A

Option (a) contains an error.
The word "more better" is incorrect as "better" is already a comparative form and doesn't need "more". The correct form is "better".
Grammatical rule used: Do not use double comparatives such as "more better", "more taller", etc.
Example: Incorrect: She is more better than her sister.
Correct: She is better than her sister.
Information Booster: Use "more" with adjectives that are longer (like "more beautiful"), but not with adjectives that are already in comparative form.