Choose the answer that best completes the sentence.
If you know a root of a function is $-2+\sqrt{3} i$, then ____.
A$2+\sqrt{3} i$ is a known root.
B$-2-\sqrt{3} i$ is a possible root.
C$-2-\sqrt{3} i$ is a known root.
D$2+\sqrt{3} i$ is a possible root.
If you know a root of a function is $-2+\sqrt{3} i$, then ____.
A$2+\sqrt{3} i$ is a known root.
B$-2-\sqrt{3} i$ is a possible root.
C$-2-\sqrt{3} i$ is a known root.
D$2+\sqrt{3} i$ is a possible root.