B. My favorite of all the subjects.
This is a sentence fragment because it's not telling you the object of the sentence, or what the subject is acting upon.
Answer:
You are doing great!
Explanation:
You are doing great because you have words on your paper. That is progress. Keep your head up! Remember, school is not everything! Don't stress :)
Barren seems like the best work for stark.
Well "and to take the shortcut" just doesnt sound right, the rest is fine..