Which document must a learner present when applying for their license?

Answer: C — Completed application form and proof of identity

When applying for a learner's license, it is essential to present a completed application form along with proof of identity. The application form serves as an official request to obtain the learner’s permit and includes important information such as the applicant's details and required signatures. Proof of identity is equally crucial as it verifies that the individual applying is who they claim to be and meets the necessary age requirements and legal criteria. This combination of documents ensures that the application is both valid and secure, thereby reducing the risk of fraud and confirming the applicant’s eligibility. Other choices focus solely on one of the components; however, they do not fulfill the complete requirements set by the licensing authority, which mandates both the application form and valid identification.