根据括号内的汉语提示，完成句子。

1. When he was in his ______ (四十多岁), he took an active part in the battle against the Qing dynasty.

2. There are many new______ (发现) in recent years.

3. Spitting in public is ______ (禁止), everybody should have good habits.

4. It's ______ (必要的) for us to master computer technology.

5. ______ (大体) speaking, different star signs have different characteristics.

6. An old man was found ______ (躺在) on the road.

下列程序的输出结果是（ ）。　　classA{　　int i，j；　　A(int i，int j)　　{ this．i=i;　　　this．j=j;　　}　　void print( )　　{ System．out．println("i="+i+""+"j="+j)　　}　　class B extends A{　　int in；　　B (int i，int j，int m){　　super(a，B) ；　　this．m=m；　　}　　void print( )　　{ Sytem．out．println("m+"+m)；}　　｝　　class C {　　public static void main (strang argsⅡ)　　{ B b：new B(1，2，3)；　　　　b．print( )；　　}　　}

A．ClassNotFoundException

B．IOException

C．FileNotFoundException

D．UnknownHostException