A life insurance salesperson who takes advantage of the foot-in-the-door phenomenon would be most likely to
a. emphasize that his company is one of the largest in the insurance industry
b. promise a free gift to those who agree to purchase an insurance policy
c. ask customers to respond to a brief survey of their attitudes regarding life insurance.
d. address customers by their first names.
e. meet potential customers customers by paying them an unexpected visit at their homes