The best answer is:
A. Most Oklahoma farmers were tenant farmers, so they saw no profit from crop price gains.
During the Great Depression, many farmers in Oklahoma were tenant farmers, meaning they did not own the land they worked on. As a result, even if crop prices increased due to the policies of the Agricultural Adjustment Administration (AAA), the tenant farmers would not see the benefits of those price gains, as most of the profits would go to landowners. This structural issue was a significant problem that the AAA did not adequately address.