Respuesta :
The sentence that uses pronouns correctly is:
The singer herself wrote that beautiful song.
In this sentence, the pronoun "herself" is used for emphasis in the sentence to make it clear who wrote the sentence.
Option 1) has a mistake since the pronoun "whom" is used incorreclty. The correct one is "who".
Option 2) is also wrong since the pronoun "she" should be replaced by "her".
Option 3) is also incorrrect since the pronound "them" should be replaced by "they"
The sentence that correctly uses pronouns is "The singer herself wrote that beautiful song."
What are pronouns?
A pronoun is used in place of the noun as well as a noun phrase. It makes the sentence clear by not repeating the noun again and again that has already mentioned once.
Therefore, in the given sentence, the correct pronoun is "herself" which is replaced by the noun that is "singer."
Learn more about pronouns here:
https://brainly.com/question/3443930