Which,if Any,of the Statements Regarding the Standard Deduction Is Correct

Multiple Choice

Which,if any,of the statements regarding the standard deduction is correct?

A) Some taxpayers may qualify for two types of standard deductions.
B) Not available to taxpayers who choose to deduct their personal and dependency exemptions.
C) May be taken as a for AGI deduction.
D) The basic standard deduction is indexed for inflation but the additional standard deduction is not.
E) None of these.