In the story when Trevor or T becomes a new leader of the gang, the latter listen to him and gather around him as the excerpt also mentions. Blackie is a former leader of the gang and in this excerpt when T becomes a leader of the gang he is angry because his view about not destroying the house is not accepted. It shows the gang doesn't have such a code or something similar that they follow others randomly. The correct answer is C.
The correct answer would be C. Randomly follows others. This is because in the novel the gang has decided that T has better ideas or at least more interesting ones. They are intrigued by the prospect of blowing up the house and are eager to become T's followers, instead of Blackie's. To be fickle means to easily change loyalties.
In the characters actions or instead of the idea of their magical actions, you can find the theme, or lesson when a certain problem is solved or unsolved.
