Answer:
B. What makes this a talented actor? E .What gestures and movements does the actor make? F. What emotions does the actor convey?
The author treats the dog as if he is another person.
When doing something like this, some find it useful to annotate the text by putting in notes and explanations of what is being said.
(Like pastors at a church when giving the message, or a comedian needing to remember some little things)
It basically just helps the reader not forget side notes or little things that can make the others either more entertained or more helpful.