What does 'capacity' refer to in the context of an Arizona notarial act?

What does 'capacity' refer to in the context of an Arizona notarial act?

• A. The notary’s authority to witness signatures in general.
• B. The signer’s capacity to read the document aloud.
• C. The signer’s legal ability and authority to sign the document, as well as their understanding and intent.
• D. The notary’s capacity to imprint the seal.

Answer: (C)