单选题 According to paragraph 3, the author tries to emphasize______.

A、 the promising future of Sino-American relationship
B、 the difficulties involved in Sino-American relationship
C、 the differences between the two nations
D、 the slim possibilities in further developing the relations between the two nations

【正确答案】 A

【答案解析】[考核题型] 细节题
[解析] 在第三段中作者运用了大量对比阐述两国间的差异，可在结尾处提到中美关系发展得非常广泛，涉及到……。可见虽有差异，但未来却相当看好，故选A。