Respuesta :
it's going to be the third one
Most colleges will accept someone with either: a high school diploma or a GED
Most colleges will accept someone with either: a high school diploma or a GED
Answer:
Most colleges will accept someone with either: a high-school diploma or a GED.
Explanation:
The use of a semicolon is only to separate two independent clauses, that is why you have to use colon instead.