Which choice best revises sentence 3 so that it contains supporting details?
O In Heart of a Samurai, Manjiro is faced with many
dangers that, considering how difficult and scary
O In Heart of a Samurai, Manjiro is faced with many of
O In Heart of a Samurai, Manjiro is presented with
O In Heart of a Samurai, Manjiro is faced with grave
they were, I hope to never have to face.
the dangers that others before him have faced.
grave dangers but faces them with courage.
dangers, such as finding enough food to survive and
swimming to the boats filled with barbarians.

D). In Heart of a Samurai, Manjiro is faced with grave dangers, such as finding enough food to survive and swimming to the boats filled with barbarians.

Explanation:

The last choice most aptly revises sentence 3 as it is grammatically and lexically coherent. The use of commas after the introductory prepositional phrases and before the beginning of examples('such asbarbarians') is appropriate which clearly signifies the separation of words/phrases and makes the meaning more clear and evident for the readers to understand. Thus, option D is the correct answer.

the answer is irony!

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.