Betty,a Salesperson,presents Her Company's New Luxury Car to Customers

Betty,a salesperson,presents her company's new luxury car to customers.During the presentation,she notices that some of the company's important customers are blinking rapidly,almost at a rate of 50-60 blinks per minute (bmp) .In this scenario,Betty should be:

A) excited because it suggests that the customers are highly interested.
B) concerned because it indicates high stress levels.
C) relaxed because it indicates that the customers are ready to close the deal.
D) agitated because it suggests coldness and dislike.
E) entertaining because her customers are getting bored.