Which pronouns are used for people and which for things?

• A. 'Who/whom' for things; 'which/that' for people
• B. 'Who/whom' are for people; 'which/that' are for things and organizations
• C. 'Who/whom' are for people; 'which/that' are for things and organizations
• D. 'Who/whom' are for things; 'which/that' are for people

Answer: (C)