一道托福听力题
原文：If I said to you that the media are often creators as well as reporters of the news,how many of you would agree with me?Okay,I see most of you would.I probably need not have asked.The power of the media,especially the electronic media,to influence current events is something that most people now appreciate.
Q:what the professor infer about the sentence:I probably need not have asked.
1.She anticipated the student's response.
2.The students knew what she would say.
为什么要选1 ..