Katy wants to create a more effective thesis statement for her paper. Which of the following could replace sentence 4 and more accurately convey the thesis of this paper?
A Fearing life in the city, they chose a more rural existence in a big yellow school bus.
B This couple didn't have to, but they decided that a bus is what they wanted to have.
C This young couple lives in a uniquely converted school bus that they have affectionately named Rosie.
D Instead of a normal dwelling, they have chosen a vehicle-something quite rare, strange, and out of the norm.