Identify the literary device in the following text:

Friday, October 29, 1943
"At times like these, Father, Mother and Margot don't matter to me in the least. I wander from room to room, climb up and down the stairs and feel like a songbird whose wings have been ripped off and who keeps hurling itself against the bars of its dark cage."
- Anne Frank: The Diary of a Young Girl

A) Imagery
B) Idioms
C)Simile
D) Metaphor