2. What is one difference between Moko and the whales? A. The whales were more comfortable around humans,
B. The whales had a better ability to communicate.
C. Moko had a better ability to navigate.
D. Moko was less social than the whales.

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.

the answer is  loss : )                                                                                                 

the first option is the answer