I didn't read the text that goes along with this but based on the information, I would say the answer is D. I hope this helps!
Answer:
is this a quote or did this happen?????
Although there are many themes of "The Landlady" by author Roald Dahl, one of the main themes is appearance vs reality. The Landlady is very nice and generous towards Billy which causes him to ignore the sinister plot the Landlady is conjuring.
I am not completely sure but I think it’s either C, D or maybe E??