I would go with D, because it seems that there is no answer option you wouldn't use in a presentation. Hopefully this helps
Answer:
kind, kind-hearted, warm-hearted, soft-hearted, tender, feeling.
concerned, attentive, thoughtful, solicitous, responsible, considerate.
affectionate, loving, doting, fond, warm, benevolent, benign, humane, good-natured, gentle, mild, indulgent, sympathetic, understanding, receptive, compassionate, charitable, gracious. :)
Answer:
exploratory
Explanation:
Because your explaining to your teacher the cause and effect.
Excuse me if i'm wrong, but I believe its B.