Henry visits his aunt's house on Jacksonville Beach several times a year. He notices how much sand is between the ocean and the seawall in June. During July, there is a hurricane. In September, Henry notices that there is much less sand between the ocean and the seawall. What is the best explanation as to what happened to the sand?

A.
The wind from the hurricane destroyed the sand.

B.
The heavy rains from the hurricane packed the sand down.

C.
The hurricane created giant waves that washed away the sand.

D.
The hurricane damaged the sea wall, and the sand behind it washed away.