In quinary, the base number must be $5$, and all the digits in the parentheses must be less than $5$. 
Which of the following is the correct expression of quinary (base-$5$ numeral system)? 

A. $\left (8231\right )\_5$ 
B. $\left (2001\right )\_5$ 
C. $\left (4341\right )\_7$ 
D. $\left (2345\right )\_5$ 