Answer:
The element that best demonstrates the central idea of the given panels is the 'teacher's annoyed expression and crossed arms'
Explanation:
The correct answers are B and E. The two themes developed in "The Glittering Noise" are that the past can be an escape from the present, since the author says that she could be happy by reading old diaries, that is, remembering old times; and that in every era, people experience sorrow and joy, as she experiences both feelings when remembering events from the past.