Using the Following Experimental Data for the Rate of the Reaction

Using the following experimental data for the rate of the reaction given below:


$\begin{array} { | c | c | c | c | } \hline \text { Experiment \#1 } & \text { [Alkyl Halide] } & \text { [Base] } & \text { Rate } \\\hline 1 & 0.01 & 0.01 & 1 \\\hline 2 & 0.02 & 0.01 & 2 \\\hline 3 & 0.01 & 0.02 & 1 \\\hline\end{array}$
What kind of reaction is taking place?

A) S_N1
B) S_N2
C) E1
D) E2
E) none of the above