Answer:
D. an articulation agreement
Step-by-step explanation:
An articulation agreement is a formal agreement between a high school and a college or university that specifies the terms under which a high school class will be recognized as equivalent to a college-level course. It outlines the specific criteria, curriculum, and expectations for the high school course to be accepted as transferable credit by the college or university.
While concurrent enrollment, transfer agreements, and dual credit arrangements are also relevant in certain contexts, an articulation agreement specifically addresses the recognition of a high school class as an equivalent to a college-level course.