The United States generally has a comparative advantage in the development of technology because it has:

The United States generally has a comparative advantage in the development of technology because it has:
A.large amounts of natural resources.
B.a disproportionate share of the world’s best research universities.
C.patent laws, which no other country has.
D.the greatest need for new technology.
正确答案：a disproportionate share of the world’s best research universities.