Answer:
A, task
Step-by-step explanation:
A task can be defined as a of job or activity that needs to be accomplished within a specified period of time. It can also be said to be an activity that is meant to be completed within a time frame that is aimed towards a work-related goal.
A task can also be defined as a bit part of a larger project that is aimed at completing the project.
Completing a task requires coordination of other individuals involved in the task. The coordination brings about a synchronization of time, effort, energy, etc.
In the above question, Sean is taking on the task of starting and conducting the meeting as agreed to by members of the group; at 10a.m.
Cheers.