how is this a question? I don't understand but if you can make the question more clear i can answer it in the comments.
I'd say A? It's the least desirable for the person restraining the cat.
Answer:
The nucleus is called the "brain" of the cell because it holds the information needed to conduct most of the cell's functions. Other molecules make proteins from that information on a regular basis - each moment of our lives
Hope this helps!