College students who are not sure what they want to study are called

a. undeclared minors
b. upperclassmen
c. doctoral candidates
d. undeclared majors

College students who are not sure what they want to study are called undeclared majors.

>Many first-year students arrive on campus without declaring a specific major; others may have declared a major but may still be unsure of their final choice. These freshmen who have not decided their major yet are called undeclared majors.