A variety of factors ________to

A variety of factors ________to the final resolution of the economic conflicts between the two countries.
A、constituted
B、attributed
C、contributed
D、distributed
【正确答案】：C
【题目解析】：A项：构成；B项：归因于；C项：有助于；D项：分配；这句话的意思是：多种因素促成了两国经济冲突的最终解决。C项符合题意。