Managers at Zappos look out for the well-being of their workers. They want the workers to be happy and enjoy their work. According to the behavioral model of leadership, managers at Zappos would be seen as engaging in behaviors.

The correct answer is letter "D": consideration.

Explanation:

Consideration managerial behaviors are the actions supervisors and managers perform in an attempt to make employees feel in a more fair environment. The ultimate purpose of this activity is to promote workers' commitment to the firm and brand which is believed to increase their productivity.  

Some organizations tend to set informal meetings where employees from different departments gather so they have an opportunity to drive their minds away from work and meet other workers of the company.