Is there any multiple choice
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.
Perhaps all the above - there will be people who don't necessarily have great morals and temperament, but they will attempt to portray themselves in a brighter light, accomplish their purpose whilst capturing the reader's attention all at the same time. B, however, I'm not too sure with that, so it's your choice if you choose to circle A, B, C and D rather than A, C and D.
He stuffed his pockets with biscuits.