Nếu 

Câu hỏi: Nếu ${\int }_0^m(2x-1)dx = 2$ thì m có giá trị bằng

A. $\left[\begin{array}{c}m=1\\ m=-2\end{array}\right.$

B. $\left[\begin{array}{c}m=1\\ m=2\end{array}\right.$

C. $\left[\begin{array}{c}m=-1\\ m=2\end{array}\right.$

D. $\left[\begin{array}{c}m=-1\\ m=-2\end{array}\right.$