10年就有人发帖问过的逻辑题，但是木有答复的。求解

dorothyyy

The 38corporationsthat filed United States income tax returns showing a net income of more than $100 million accounted for 53 percent of the total taxable income from foreign sources reported on all tax returns. Sixty percent of the total taxable income from foreign sources came from the 200 returns reporting income from 10 or more countries.
if the statement above are true, which of the following must also be true?
a) most of the total taxable imcome earned by corporations with net income above $100 million was earned from foreign sources.
b) wealthy individuals with large personal imcomes reported 47 percent of the total taxable income from foreign sources.
c) income form foreign sources amounted to between 53 and 60 percent of all reported taxable income.
d) some of thecorporations with net income above $100 million reported income from 10 or more countries.
e) most of the tax returns showing income from 10 or more countries reported net income of more than $100 million.


我的问题是题目主干理不太清楚，主要里面涉及的数据关系...
求助，请大侠帮我解释一下主干的数据关系~

angelfishlyn

同求啊~~