Different I think is your answer
Answer: We can ignore both A and B as they are not actions at all
And C is ruled out because it isn't Marlene's action it's Tami's therefore the answer is D. D also develops Marlene's character as it shows her anxiety and her caring nature towards her cat.
Hope this helps, and please mark me brainliest! >//<
Matthias Jakob Schleiden is the German biologist that said all plants were made of cells