Answer:
Thomas is still feeling depressed, because everyone was informed about his low marks/grades.
Explanation:
Acheivement is only positive. You cannot write 'low acheivement'. Hope this helps.
Produce means to make soemthing, but since I can't see the paragraph, I can't fully answer the question, since theres no paragraph to follow it on. Sorry...
I think it is the nominative case hope this helps you
