Look at the map. Then answer the question that follows.

Which statement is supported by the map?
A.
Road systems in Southeast Asia are among the finest in the world.

B.
Long bridges connect the islands of Southeast Asia with the mainland.

C.
Most travel between countries in Southeast Asia happens by sea or air.

D.
Public transportation is cheap and readily available throughout Southeast Asia.

C. Most travel between countries in Southeast Asia happens by sea or air is supported by the map. The map shows major airports and seaports in Southeast Asia, indicating that air and sea travel are the primary modes of transportation between countries in the region.