A taxpayer reports income from a state tax refund on his tax return for the current tax year. Match the phrase that best describes the status for alternative minimum tax (AMT) computations of this tax item.
A.
Not a preference or an adjustment for the AMT
B.
An AMT preference or adjustment which is a deferral item for the AMT
Correct C.
An AMT preference or adjustment which is an exclusion item for the AMT
Incorrect D.
An AMT preference or adjustment which is an exemption item for the AMT
Can someone explain this and define: none of these deferral, exclusion and exemption