immediately 的选词

___the teacher came in ,the noisy students stopped talking.
A immediately B at once C hurriedly D in a hurry
应该是A B 中吧，但选？解释一下，谢谢

immediately 的选词 关于immediately的词组 now 和immediately的区别 immediately这个词的发音是不是像"音梅第特立"??? immediately是什么意思 at once, immediately 区别 You immediately start cutting corners. instantly ,immediately和at once 请求翻译:Commands are executed *immediately* and ^ The wounded were seen__to the hospital immediately.