下面程序段的输出结果是______。
class Test
public static void main (String args[])
MyThread t=new MyThread();
t.displayOutput("t has been created");
t．start();


class MyThread extends Thread
public void displayOutput(String s)
System.out.println(s);

public void run()
displayOutput("t is running");

A) t has been created
t is running
B) t has been created
C) t is running
D) 编译错误

眼部绿色瘤常见于( )

A．急性单核细胞白血病
B．急性早幼粒细胞白血病
C．急性淋巴细胞白血病
D．急性粒细胞白血病
E．慢性粒细胞白血病