During a global review of the following first four sentences of a supporting paragraph in an essay, what would you identify as the main problem?

Pioneer days are associated with hard work. The prairies
were lonely places. You did not know when you might see
the next wagon train. It was essential to travel with plenty
of supplies, because you never knew where the next place to restock might be.

O A. There are many spelling errors.
O B. The supporting sentences are badly written.
O C. The topic sentence does not fit with the supporting sentences that
follow it.
O D. The second supporting example is not interesting enough.