The second paragraph is mainly about ______.
A. international students solve their money problem in different ways
B. international students can’t study full time because they have to do spare-time jobs
C. American students prefer to study in their own country
D. American students can attend colleges abroad easily
正确答案：A
本题属理解分析题文章第二段第一句已明确点明本段的主要意思
