The sentence that has the correct punctuation is These are my three closest friends: Maria, Janet, and Ana.
What is Punctuation?
This refers to the use of symbols to show the different meanings of words in a given sentence and their importance to the text.
Hence, we can note that option A is correct because there is the use of colon to show the list of people and also the use of comma to differentiate between people in the list.
Read more about punctuation here:
https://brainly.com/question/1224394
