The board meeting of a company was ineffective because the speakers talkedabout various subjects off the agenda for a long period of time. The meeting started according to the schedule and took a bit longer to conclude

Due to this delay, some members missed their flights home. What strategy should the organizer have taken to make the meeting more effective, and why?
a. Set a time limit; it helps people plan their day.
b. Manage the meeting; the intervention of chairperson is necessary.
c. Limit the attendance; a small number is enough.
d. Use a round table; it ensures each member has equal access to each other.

A