Which sentence uses correct grammar? 1. Any student which wants to join the band should bring their instrument to the gym. 2. Any person whose last name begins with the letters A through M should join the first line. 3. I don't understand a word what you are talking about because I wasn't listening. 4. Did you meet the lady who's uncle works in the library?

2. Any person whose last name begins with the letters A through M should join the first line.

Explanation:

Correct grammar is the use of correct punctuation or the different parts of speech or the subject-verb agreement or even simple things like correct pronouns etc.

Among the given examples, sentence 2 uses correct grammar. This is because 'whose' introduces the relative clause that helps readers understand the possessive nature of the nouns in the sentence.

Thus, the correct answer is option 2.  

its c because its his point of view