For this case we can translate the paragraph as:
I got a bad grade in French class even though I studied like crazy. Now, my parents are going to think that I did not study much and they will get angry.
The paragraph describes the concern of a person to get a bad grade in French because he thinks his parents get angry.
ANswer:
The paragraph describes the concern of a person to get a bad grade in French because he thinks his parents get angry.