读者-写者经典模型的程序如下：读者进程：while(true){P(mutex)；read_counter= read_counter+1；if(read_counter==1)P(write)；V(mutex)；read(files)；P(mutex)；read_counter= read_counter-1；if(read_counter==0)V(write)；V(mutex)；} 写者进程：while(true){ P(write)； Write(files)； V(write)； }若写者源源不断涌入，读者进程
选项：

A:正常运行
B:发生死锁
C:出现活锁
D:出现饥饿