Select the more effective use of correlative conjunctions to join these sentences.
This award is given to junior high students
It is given to senior high students, too.
a This award is given both to junior high and senior high students.
b This award is given to junior high and senior high students.
This award is given to junior high students
It is given to senior high students, too.
a This award is given both to junior high and senior high students.
b This award is given to junior high and senior high students.