As Betty Progresses Through Her Sales Presentation, She Notices the Customer

Multiple Choice

As Betty progresses through her sales presentation, she notices the customer begins to blink his/her eyes rapidly, almost once per second. Betty:

A) becomes excited since that is a sign of interest by the customer.
B) becomes concerned because that is a sign the customer is stressed.
C) becomes excited because it indicates the customer is ready to close the deal.
D) becomes concerned because it indicates the customer is bored.
E) all of the above