. The government is cautious because they are afraid that a new policy on taxation would t

问题补充：

. The government is cautious because they are afraid that a new policy on taxation would the political balance of the country.

A. bother

B. gather

C. upset

D. overcome

答案：

A. bother

B. gather

(答案→)C. upset

D. overcome

解析：题意是一个关于税收的新政策会打乱这个国家的政治平衡。A是打扰，B是收集D是克服。C是打乱，因此选C。