Question

Some states require that local elections must come during the in-between years when no national elections are held.

Answer 1

Yes it is true that some states require that local elections must come during the in-between years when no national elections are held. The correct option among the two options that are given in the question is option "a". The main reason behind this kind of thought process is to avoid complexity about the ballots. This will also make the election campaigning  easier.