Consider the Following to Answer the Question(s) Below

Consider the following to answer the question(s) below.
A consumer research group is interested in how older drivers view hybrid cars. Specifically, they wish to assess the percentage of drivers in Canada 50 years of age or older who intend to purchase a hybrid in the next two years. Suppose that they selected a systematic sample from a list of CARP (Canadian Association of Retired Persons) members. Based on this sample, they estimated the percentage to be 17%.
-The sampling frame for this study is

A) all drivers in Canada 50 years of age or older.
B) 17%.
C) the list of CARP members.
D) how older drivers view hybrid cars.
E) 83%.