A man of humble ______, Lincoln eventually became President of t

A man of humble ______, Lincoln eventually became President of the U.S. through his own efforts.
A、source
B、resource
C、origin
D、head
【正确答案】：C
【题目解析】：source 来源；resource 资源；origin 起源；出身；head 头部；句意：出身卑微的林肯最终通过自己的努力成为了美国总统。因此C 符合题意