Yeah, you're right. It's B. Showing how the character is feeling rather then telling is by showing their emotions is, how passively their body language is, and how they respond to the situation. Ex: She was angry, hands balling into tight fists, and her scowl could tear through souls. Hope this helps you out.
Phrases such as “while I lived” and “the grace, the beauty, the poetry” indicate most about the narrator’s feelings <em>that Twain was disappointed by his new feelings about the river.
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When he says “While I lived” He referrers to the time he had spent in the river, the adventures, the excitement.
The grace, the poetry, the beauty describes the way the narrator has always seen the river, as a magnificent scenario full of life and susprises. A place where he has lived his most amazing adventures
The marvel cinematic universe has always showed movies
