Suppose Jim and Tom can both produce baseball bats. If Jim’s opportunity cost of producing baseball bats is lower than Tom’s opportunity cost of producing baseball bats, then
选项：

A:Tom must have an absolute advantage in the production of baseball bats.;
B:Jim must have an absolute advantage in the production of baseball bats.;
C:Tom has a comparative advantage in the production of baseball bats.;
D:Jim has a comparative advantage in the production of baseball bats.