That question is pretty much a "surface level" question -- meaning the answer should be very clear if you've read the story.
So if B is what you remember after reading the story, then go with it.
I doubt anyone here has read this story, but it sounds like a good one! Here's a link to the online book:
https://www.gutenberg.org/files/1441/1441-h/1441-h.htm
In “The Story of An African Farm,” why does Bonaparte choose to repeatedly bang his head against the storeroom wall?
The Story of An African Farm
He hopes to persuade Otto to allow him to move in with him.
He fears he has been accidentally locked in the storeroom.
He wants to convince Tant Sannie that he is truly devastated over the death of his wife.
He believes he can frighten the members in the household to do as he wishes.
B?
2 answers
For anyone else that see's yhis thread the answer is c (He wants to convince Tant Sannie that he is truly devastated over the death of his wife.)