Find out whether there is any grammatical error in below sentence. Both the brothers are / so good-natured that / they look at their / old and aged parents very well.

The correct answer is: E. No error

The sentence is grammatically correct. The word “so” is used to modify the adjective “good-natured,” and the word “that” introduces a clause that expresses the reason why the brothers are good-natured. The word “they” is the subject of the verb “look,” and the phrase “at their old and aged parents” is the object of the verb. The phrase “very well” is an adverbial phrase that modifies the verb “look.”

Here is a breakdown of each option:

• Option A: “Both the brothers are” is a grammatically correct sentence.
• Option B: “so good-natured that” is a grammatically correct phrase.
• Option C: “they look at their” is a grammatically correct sentence.
• Option D: “old and aged parents” is a grammatically correct phrase.
• Option E: “No error” is the correct answer.