Refer to the Information Provided in Scenario 21

Refer to the information provided in Scenario 21.1 below to answer the questions that follow.
SCENARIO 21.1: A study of 2,500 country club members in Phoenix found that those who play golf at least 2 times per week were 40 percent more likely to have suffered from skin cancer than those who never play golf. Therefore, the study concluded that in Phoenix, playing golf at least twice a week leads to a higher incidence of skin cancer in country club members.
-Refer to Scenario 21.1. Which of the following statements pertaining to the scenario is the most accurate with respect to selection bias?

A) The conclusion exhibits selection bias in that only country club members in Phoenix were surveyed.
B) The conclusion exhibits selection bias in that there may be other factors besides playing golf more than 2 times per week that lead to a higher incidence of skin cancer in those members.
C) The study exhibits selection bias in that it is only concerned with skin cancer incidence in country club members.
D) The scenario does not exhibit selection bias.