Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Divide
- $\left(4 r^{2}+\frac{45}{7} r-1\right) \div(7 r-1)$

A) $\frac{4}{7} \mathrm{r}+1$
B) $\frac{4}{7} r-1$
C) $-3 r^{2}+\frac{52}{7} r-1$
D) $r^{2}+45 r-1$