Find out whether there is any grammatical error in below sentence. May I / know who you want / to see please

The correct answer is: D. No error

The sentence is grammatically correct. The word “may” is used to ask for permission, and the word “know” is used to ask for information. The word “who” is used to refer to a person, and the word “want” is used to express a desire. The word “to” is used to indicate that the following word is a verb, and the word “see” is a verb that means to look at someone or something. The