The big man's rudeness was clue to ______.

A．The author and his wife went to their friend's house for dinner.
B．In some parts of New York, finding a parking space is not easy.
C．The author felt particularly humiliated as a former marine.
D．The big man wrongly parked in a lot that belonged to the host.

A．many countries in East Asia are politically hostile to Japan
B．few countries in this region could match Japan in export
C．the governments are not aware of the necessity
D．there is no agreement on the elimination of trade barriers