If \[f(x)=\left\{ \begin{matrix} {{e}^{x}}+ax, & x

• A.            \[\underset{x\to 0+}{\mathop{\lim }}\,f(x)\ne 2\]
• B.            \[\underset{x\to 0-}{\mathop{\lim }}\,f(x)=0\]
• C.            \[f(x)\]is continuous at\[x=0\]
• D.            None of these