Take a look at the passage again:
Ever since Andre peeked at Melissa's paper during the biology exam. Guilt
has consumed him. Even the blueberries floating
in his cereal bowl seem like the accusing eyes of Dr. Gregory, his biology
instructor.
You chose the third part, Even the blueberries floating in his cereal bowl seem like the accusing eyes of Dr. Gregory, his biology instructor. This part has a main clause: blueberries is the subject; seem is the verb. A fragment will not have a main clause.
Go back to the passage to try again.