A declarative sentence is a statement that ends with a period. It states facts or an opinion and lets the reader know something specific. All of these sentences were declarative.
The answer is C. At first the child misjudges the elderly neighbor when he fears her, and is happy with their new friendship when she helps him.
A has misjudgment but no happiness.
B doesn't match at all
D doesn't say that the rivals misjudged their rivalry or were happy at any point.
The quote from Frankenstein that brings out the theme of revenge in the novel is <span>"I may die, but first you, my tyrant and tormentor, shall curse the sun that gazes on your misery. beware, for I am fearless and therefore powerful."</span>