I can't see the examples. But assonance means a resemblance in the sounds of words or syllables either between their vowels (e.g., meat, bean) or between their consonants (e.g., keep, cape).
The answer is C & A because they are the most logical
The words that describe the community where she rented a house may describe best the type of people that the narrator may encounter. The kind community usually reflects the type of inhabitants. Thus, strange and unusual people may come from that kind of communities as well.