12 defective pens are accidentally mixed with 132 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen is taken out at random from this lot. Determine the probability that the pen taken out is a good one.

A

$$\frac{7}{12}$$

B

$$\frac{11}{12}$$

C

$$\frac{10}{12}$$

D

$$\frac{9}{12}$$