Suppose China Can Produce Either 300 Telephones or 200 DVD

Suppose China can produce either 300 telephones or 200 DVD players,and Japan can produce either 200 telephones or 100 DVD players.Implicitly,Japan has

A) Both an absolute and a comparative advantage in telephones.
B) An absolute but not necessarily a comparative advantage in telephones.
C) A comparative but not necessarily an absolute advantage in telephones.
D) Neither a comparative nor an absolute advantage in telephones.