Asking the audience a question, drawing pictures, using props, and showcasing demos are all ways that a salesperson can heighten interest and increase what with their sales presentation?

A. engagement
B. dissonance
C. ambivalence
D. frustration

A. engagement

is this right

Yes, that is correct. By utilizing engaging tactics such as asking the audience questions, drawing pictures, using props, and showcasing demos in their sales presentations, salespeople can increase engagement and interest from their audience.