A discretionary account at the brokerage firm of Global Century $21$ is best described as:

Select one:

a$.$ An account that is kept secret from the investor's spouse

b$.$ An account where the investments held are kept very discrete

c$.$ An account that gives your broker the power to make trades for you and is sometimes used by investors that may leave the country for an extended time

d$.$ An account that is specific to Global Century $21$ only

e$.$ An account that holds only after market trades