Only ________ as a translator ________ how important it is to understand foreign cultures.

A．when did I work; I realized

B．when I worked; I realized

C．when did I work; did I realize

D．when I worked; did I realize

下列程序的执行结果是（ ）。　　　public class Testgg {　　　　public static void main(String args[]) {　　　　　　float t=9.0f；　　　　　　int q=5；　　　　　　System.out.println((t++)*(- -q))；　　　　}　　　}

A．40

B．36

C．36

D．40