Advantages would be that you don't worry about losing the ones you love because you don't have any. Disadvantages would be you have no one there for support when you might need it.
The answer is C. or.
I can't really explain it good ,but I know for a fact it's C.or, plus it can connect back to the word either.
A. because a teacher would at some point help the student with his work
Answer:
Instead of this you could find your own answer. Its easy