The answer is B.) It has excellent vision and a distinct sense of smell
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Where is this from? that way i can help you answer better
The answer is d. answers a and c focus more on the characters in the scene to set the tone rather than using imagery to convey a certain tone. answer b has a positive connotation, so the answer is d.
B. it would change how the sailors voiced their concerns. "mutterings" suggests that it was only something the crew was saying under their breath, or saying only between themselves--privately. "conversations" is much more general, giving you the idea that they spoke about it openly. when you think "muttering" you might get an image of a kid muttering some smart reply under their breath in response to authority. it's like a petty complaint, almost. when you hear the word "conversation" you might picture a group of people sitting together having a full discussion. changing from one word to the other definitely changes the image of how the sailors are speaking amongst themselves.