The landing area shall not be smaller than the pole vault_________________________?

A. 6m long * 3m wide*7m high
B. 5m long * 4m wide*6m high
C. 6m long * 5m wide*0.3m high
D. 6m long * 6m wide*0.8m

The correct answer to the question: "The landing area shall not be smaller than the pole vault_________________________?" is "6m long * 6m wide*0.8m".