If you are a risk$-$averse investor, you should choose Stock$\_\_\_\_\_$if it is to be held in isolation and Stock $\_\_\_\_\_$ if it is to be held as part of a well$-$diversified portfolio.

Stock Standard Deviation Beta

A $0\mathrm{.}360\mathrm{.}69$

B $0\mathrm{.}581\mathrm{.}27$

C $0\mathrm{.}290\mathrm{.}92$