Who or Which: Choose the Right Pronoun
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
Who functions as an interrogative pronoun and a relative pronoun for people. It points directly to human actors in questions and provides identifying details about people in clauses. Which serves as an interrogative and relative pronoun for physical objects, animals, and concepts. It also marks a selection from an identifiable group of possibilities.
Who answered our call from the help desk?