Works cited entries are listed
a. in the order they are used in the paper
b. alphabetically and single spaced
c. alphabetically by author's last name
d. alphabetically and sorted by type

The best answer is C. Works cited entries are listed alphabetically by the author's last name. This is done in order to have access on these works since authors of journals and articles are famous by their last name. Also, it will be easy to keep track of the works you have cited in a project.