In almost all the colleges in our country now, college students sometimes earn enough money by of part time job to support themselves.
A. assist
B. way
C. means
D. aid
网友回答
A. assist
B. way
(答案→)C. means
D. aid
解析：考察固定词组。By means of用…方法；结合句意可知C正确。几乎在我国所有的大学里，通过做兼职工作，大学生都能挣得足够的钱来养活自己。