Treasury stock shares are shares of stock that are:

A) Authorized and outstanding.
B) Authorized but not issued.
C) Authorized,issued,and outstanding.
D) Authorized and issued,but not outstanding.

Authorized

Refers to the official approval or permission for something, often used in the context of authorized shares in a corporation.

Outstanding

Describes something that is currently due or has not been settled or resolved, often referring to payments or checks.