Answer:
C.
Step-by-step explanation:
Anne Frank was a teenage girl who went to hiding with her parents in Secret Annex on 6th July 1942. This was the time when Adolf Hitler was in rule.
Being a teenage girl, Anne had a good sense of humor which we can witness in her "The Diary of a Young Girl". Anne had a habit of writing a diary. Even when she was in hiding she used to write. In her diary, she used to share emotions which she was not able to share with anyone else.
She time on time had shared the incidents of annex in her diary in a humorous manner.
The option which supports the idea of her having a good sense of humor is option C because she is describing how they sewed curtains for their windows so that no one can peek inside.
Humorously she is calling it a work of art.
So, the correct option is C.