Johan is scheduled to deliver the opening message to $1,000$ employees at the organization's annual sales meeting next week and the same message to a department of four employees next month. Between the two presentations, Johan adjusts the approach of the delivery of the message. Johan's adjustment is based on

A$.$ forecasting probable audience reaction

B$.$ determining audience composition

C$.$ determining audience size and geographic distribution

D$.$ gauging audience members' level of understanding

E$.$ understanding audience expectations