Mark with a "Yes" If the Following Statement Is True

Mark with a "Yes" if the following statement is true and is in Publication 1, The Taxpayer Bill of Rights. Mark with a "No" if the following statement is false or is not addressed in Publication 1. ​
A)A phone number to call to have tax questions answered.
B)If a taxpayer is unable to provide or to verify information, then the IRS may contact a neighbor, bank, employer, or employees in order to obtain the information.
C)Only the taxpayer has the right to represent themselves in front of the IRS.
D)Publication 1 explains what to do if an IRS employee has not provided prompt, courteous, and professional assistance to the taxpayer.