Table 2-1 -Refer to Table 2-1

Multiple Choice

Table 2-1
$$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Star } \\\text { Nane }\end{array} & \begin{array} { c } \text { Apparent Visual } \\\text { Magnitude }\end{array} \\\hline \text { d Dra } & 3.07 \\\hline \text { a Cet } & 2.53 \\\hline \text { Nirl } & 8.07 \\\hline \alpha \text { CMa } & - 1.46 \\\hline\end{array}$$
-Refer to Table 2-1.Which star in the table would be invisible to the unaided eye of an observer on Earth?

A) ? Dra
B) ? Cet
C) Nim
D) ? CMa