The best choice is option one, although that is not fully correct. But because an author is present, the name comes first.
Answer:
B) Laughing uproariously, the little girls ran away from the group of boys they'd just attacked with water balloons.
Explanation:
Participle phrases work as adjectives: they start with -<em>ing </em>if it is a present participle, and they begin with a past participle form if it refers to the past. In this case, the participle phrase is<em> laughing uproariously</em>, which provides characterization to the sentence.
Short words (usually less than 5 letters) like an, a, and, ect. You can also capitalize everything in the title if you are unsure.
The last one, the people were all trying to help her, but they did it all by what they thought of