阅读下列短文，从每题所给的四个选项 （A 、B 、C  和 D ）中 ，选出最佳选项。

    Taxpayers(纳税人) in America pay less in income tax than many Europeans, according to a Pew Research Center report. Belgium has the highest income tax rate, at nearly 56 percent of income, according to the Organization for Economic Cooperation and Development, or OECD. Taxpayers in the U.S. pay less than 36 percent of their incomes into the national treasury. Taxes pay for services provided by the government. The U.S. ranks 25 of the 34 developed countries polled in the report.

    An unmarried person with no children was used as an example in the report. In America, an unmarried person, with no children, making the average wage of $50, 000 in 2014 paid 24.8 percent of their income in federal (联邦的) income tax and payroll taxes (工资税). A similar person living in Belgium would pay 42.3 percent of their income. The average among the 39 countries in the poll was 27.3 percent income tax.

    The deadline to pay taxes in America is usually April 15. This year, the deadline is April 18. American taxpayers complain that wealthy people and large companies pay too little tax, according to a Pew Research Center poll from 2015.

Americans pay tax to fund programs like Social Security and Medicaid, according to the Pew Research Center. Last year, American taxes paid for $888 billion in Social Security benefits. Social Security pays the elderly an income after they stop working. The government also paid more than $546 billion in Medicaid and Medicare benefits. Those programs pay for health and medical care to people who cannot afford it, according to the Center on Budget and Policy Priorities.