Brushing up on the basics

It is known that $a \neq 0$ and $b \neq 0$ satisfy

$-(-(a)+b) < 0$

Then, which of the following statements are true?

$\text{A) } b > a$

$\text{B) } a > b$

$\text{C) } \frac{1}{a} > \frac{1}{b}$

$\text{D) } \frac{1}{b} > \frac{1}{a}$