Ineed .

(1) there are several reasons why middle-aged adults are returning to school. (2) some want to learn to do their jobs better. (3) college courses can them improve their job skills and keep up in their fields. (4) others return to school because more credits may mean a raise or promotion. (5) teachers, for instance, get raises for reaching certain levels of education. (6) also, some adults return to the classroom because of interest in a new field, such as telecommunications or computer programming. (7) finally, others want to study subjects such as foreign languages, history, or literature for the sake of learning. (8) such classes adults spend their time in more productive and interesting ways and deepen their understanding of themselves and their world.
q. which of these is the last major supporting detail?

a. to learn a new field

b. to spend their time in more productive ways

c. to learn for the sake of learning

d. to improve their job skills and keep up in their fields