A behavioral scientist investigated whether there is a significant difference in the percentages of men and women who purchase silver-colored cars. The scientist selected a random sample of 50 men and a random sample of 52 women who had recently purchased a new car. Of the men selected, 16 had purchased a silver-colored car. Of the women selected, 9 had purchased a silver-colored car. Which of the following is the most appropriate method for analyzing the results?

A. A two-sample z-test for the difference in sample proportions
B. A one-sample z-test for a sample proportion
C. A one-sample z-test for a population proportion
D . A one-sample z-test for a difference in sample proportions