[解析]
(1)B.细节理解题.根据第二段中的"Jaysa Hunter﹣Mellers,14,spoke at the City Hall to ask leaders to shut the last coal power station nearby which brought her an asthma(哮喘)attack."(14岁的Jaysa Hunter Mellers在市政厅发表讲话,要求领导关闭附近最后一座给她带来哮喘发作的煤电站.)可知,Jaysa要求政府关闭煤电站是因为煤电站给她带来了健康问题.故选B.
(2)D.细节理解题.根据第三段中的"So Aiden started growing milkweed in his house,on which the butterflies lay eggs."(所以Aiden开始在他的房子里种马利筋,蝴蝶在上面产卵.)可知,Aiden通过种植蝴蝶可以在上面产卵的草来帮助蝴蝶.故选D.
(3)D.细节理解题.根据最后一段中的"In 2019,they started a team called Affected Generation to urge young people to become climate activists."(2019年,他们成立了一个名为"受影响的一代"的团队,敦促年轻人成为气候活动家.)可知,"they"指的是本段上文出现的Jeremy Clark和Charlie Abrams.故选D.