The answer is C. The first one is totally a fragment!
Explanation:
mean impulse or no? it won't
The verb form that is used to indicate present perfect tense is have + verb - ed.
For example:
I <u>have painted </u>a beautiful painting.
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.