Final answer:
The antecedent of 'who' in the sentence 'He is the student who is late in the library on Sundays' is 'student.'
Explanation:
The antecedent of 'who' in the sentence is 'student.' In this case, 'student' is the noun that 'who' refers to in the sentence. When identifying antecedents, it is important to match them correctly with their pronouns to ensure clear communication.
Learn more about Antecedents and Pronouns here:
https://brainly.com/question/42188914
