Find out whether there is any grammatical error in below sentence. Unintentionally I let / out the secret / by talking about / it loudly in the library.

The correct answer is: E. No error

The sentence is grammatically correct. The word “unintentionally” is an adverb that modifies the verb “let.” The word “out” is a preposition that shows the direction of the action. The word “secret” is the direct object of the verb “let.” The word “by” is a preposition that introduces the phrase “talking about it loudly in the library.” The word “it” is a pronoun that refers to the secret. The word “loudly” is an adverb that

The sentence is clear and concise. It conveys the intended meaning without any ambiguity. The sentence is also consistent with the rules of grammar.