The mood that is created by the author’s use of the words bones and seize is, 'suspenseful'.
Suspenseful means uncertain about what is happening or what might happen.
Because a mood is created by the choice of words and here the words like revenge and dark creates a suspenseful mood. Thus, makes the excerpt concerning and threatening which are the elements of suspenseful mood.
Hence the correct option is, C) 'suspenseful'
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