It doesn't matter what religion you are, because it doesn't affect how you work. In government, people have many different religions, as seen in things like the Senate and House.
However, if the employers are discriminating against you for your religion it should be a factor. Don't stay in a job that discriminates against you for your religion.
The answer which is true about phrases is that C. they can't stand alone because they are missing a subject, a verb, or both. This is an example of a phrase: having considered the problem carefully
