Xavier is a good student, had lots of friends in high school, and looked forward to beginning college out of state. While he thought the college experience would be fun, it was different than what he expected. He enjoyed his classes but missed his family and didn't meet a lot of people he was comfortable hanging out with. Weeks into the semester, Xavier continued feeling really down that he hadn't made any close friends. What is the sign that Xavier needs support?
a) Feeling sad or detached for more than two weeks
b) Having recurrent and intense worries or fears that interfere with daily life
c) Lacking the ability to focus or concentrate
d) Experiencing changes in personality