Nobody could have guessed, in those days, the place in history that Martin Luther King, Jr. ________. [A] was having [B] was to have [C] had had [D] had
【单选题】下面程序段的输出结果为 public class MyClass { public static void main(String args[]) { String s='Helto! How are you?'; System.out.println(s.lastlndexOf('o',16)); } }