The United States has developed ______ in many lines that use th

The United States has developed ______ in many lines that use the most up-to-date technology.
A、International trade
B、absolute advantage
C、comparative advantage
D、manufacturing and technology
【正确答案】：C
【题目解析】：The United States has developed comparative advantage in many lines that use the most up-to-date technology.参见教材P70。