Final answer:
The author uses a B) description text structure to vividly depict the narrator's experiences aboard the ship.
Step-by-step explanation:
The text structure used in this excerpt is B. Description. The author uses vivid and descriptive language to paint a picture of the narrator's experiences aboard the ship.
The reader can envision the rough sea, the stony beach, the canoes on the shore, and the spray beating over the boat.
The author's use of imagery helps to immerse the reader in the story and understand the challenging conditions the characters faced.