Which sentence from the passage is the main reason used to support the claim stated in the first sentence?
A
“Unless Congress acts, most of the tax relief we've delivered over the past 7 years will be taken away.”B
“Some in Washington argue that letting tax relief expire is not a tax increase.”C
“Others have said they would personally be happy to pay higher taxes.”D
“I'm pleased to report that the IRS accepts both checks and money orders.”