Which phrase best completes the diagram?



A box connected with 3 other boxes in second row by unidirectional arrows. Text that reads: Box 1 Physical geography of China. Box 2 Has large coal reserves. Box 3 Borders the South China Sea. Box 4 ?.

A

Is separated from India by the Himalayas

B

Has a climate that is hot and humid for almost the entire year

C

Is mostly covered in heavily forested plateaus

D

Is forced to buy nearly all its oil from other countries