The output of a circular convolution performed on two signals $$x_{1}(n) = {\underline{2}, 1, 2, 1}$$ and $$x_{2}(n) = {\underline{1}, 2, 3, 4}$$ is

A

$${\underline{16}, 14, 16, 14}$$

B

$${\underline{14}, 16, 14, 16}$$

C

$${\underline{12},14, 12, 14}$$

D

$${\underline{14}, 12, 14, 12}$$