Passage: Read the given passage carefully and answer the questions that follow. Usually when school began, there was a great bustle, which could be heard out in the street. But now it was all so still! I had counted on the commotion to get to my desk without being seen; but of course, that day everything had to be as quiet as Sunday morning. Through the window I saw my classmates, already in their places, and M. Hamel walking up and down with his terrible iron ruler under his arm. I had to open the door and go in before everybody. M. Hamel saw me and said very kindly, “Go to your place quickly, little Franz.” I jumped over the bench and sat down at my desk. Not till then, when I had got a little over my fright, did I see that our teacher had on his beautiful green coat, his frilled shirt, and the little black embroidered silk cap, that he wore only on inspection and prize days. The whole school seemed so strange and solemn. Everybody looked sad. M. Hamel said, “This is the last lesson I shall give you. The order has come from Berlin to teach only German in our schools. This is your last French lesson.” Question: What is the meaning of the word "bustle" as used in the passage?

1. Commotion
2. Whistling
3. Quietness
4. Tranquility