The most accurate comparison of Adams and Jackson from the options provided is:
D. Adams supported efforts to promote the growth of businesses, while Jackson supported efforts to help the ordinary man.
John Quincy Adams is known for his more elitist policies that often aimed to promote infrastructure and encourage businesses. In contrast, Andrew Jackson is often associated with "Jacksonian Democracy," which emphasized the rights and power of the "common man" and often opposed the interests of established financial institutions. This distinction highlights their differing approaches to governance and policy.