Directions: In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No Error" option. 

Hardly a moment of silence prevailed (A)/ then the energetic children, (B)/ filled the room with laughter and (C)/ chatter, creating a lively atmosphere. (D)/ No error. (E)