The correct answer is D. A conclusion sums up everything overall and is always the last paragraph of an essay that provides details of the purpose for the essay.
I would say it's a simile because they are comparing with using the word "like". They are comparing there howling to the wolves.
On June 5, 1956, the District Court ruled 2-1, with Lynne dissenting, that bus segregation is unconstitutional under the Equal Protection Clause of the 14th Amendment to the U.S. Constitution. The state and city appealed, and the decision was summarily affirmed by the United States Supreme Court on November 13, 1956.
