By what is referred in the first paragraph, the author means______. A: some portion of the distributions of the funds will be subject to AMT B: AMT will extract a tax on the distributions of all closed-end muni funds C: the tax-exempt interest closed-end muni funds distribute will be taxable D: more distributions of lower income bracket may be subject to the AMT this year

词根muni的语义是service，下列单词中词义是“市政的；地方性的；有自治权的”的是（ ）。