关于Map("book" -> 5, "pen" -> 2).map(m => m._1 -> m._2 * 2)的结果,以下哪个是正确的选项: A:Map("bookbook"-> 5, "penpen" -> 2); B:Map("bookbook" -> 10,"penpen" -> 4); C: Map("book" -> 10, "pen"-> 4); D: Map("book" -> 5, "pen"-> 2 ,"book" -> 5, "pen" -> 2) 以下 结果 发布时间:2024-05-07 19:44:45