Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Input: [header] How to quiet a classroom [title] Make a quiet signal with your hand. [step] Teach your class a signal that means they should quiet down. When you make it, they should make it back at you. <sep> (A) That way, they will help you quiet their classmates down without shushing. [substeps] For instance, make a " peace " sign so they can " peace " back at you. (B) You can also show your students a sign with your hand that means " quiet ". If they realize they are wrong, they will do the same. (C) On the first signal, say " quiet " in spanish. Don't worry if the response is different. (D) You will then repeat it to the others in the class so that the class can hear you clearly. [substeps] You can also make a silent signal with your hand.
Output:
A