下列程序通过设定线程优先级，抢占主线程的CPU，选择正确的语句填入横线处。 class T14 implements Runnable { private Boolean fStop - true; public void run() { while(fStop) { System.out.println(Thread.currentThread().getName() + "run"); try {Thread.sleep(l); } catch(Exception e) {e.printStackTrace()； } } } public void stopRun() { fStop = false; } } public class Testl4 {public static void main(String[] args){ T14 t14 = new T14(); Thread t1 = new Thread(ti4, "T14"); Thread t = Thread.currentThread()’; ______; Ti.start(); T14.stopRun(); System.out.println ( "stop ");} }

A．setPriority(Threa MIN_PRIORIT

B．t1 .setPriority(Threa MIN_PRIORIT

C．setPfiofity(Threa MIN_PRIORIT

D．t14.setPriority(Threa MIN_PRIORIT

花粉粒周边轮廓线光滑，呈凸波状或齿轮状，具单萌发孔的药材为( )

A．丁香
B．洋金花
C．金银花
D．红花
E．蒲黄