A Manufacturer of Bed Linens Made from 100 Percent All-Natural

A manufacturer of bed linens made from 100 percent all-natural fabrics wants to know if the addition of a line of mixed-blend linens would attract current nonusers to its products and cause them to become users.What should it do to research this problem?

A) conduct a focus group and ask users and nonusers what they think about the mixed-blend fabrics.
B) conduct in-store personal interviews to ask potential buyers how they will respond to the new line of bed linens.
C) conduct observation research to see who buys the new bed linens.
D) conduct an experiment that exposes some nonusers to the old product and others to the new product line and measure the difference in responses between the two groups.