Which statement best describes the changes in the biological community of Krakatau since the volcanic eruption?

A) Recolonization has been slow and incomplete.
B) Most colonizers have arrived by water rather than wind.
C) The thick layer of ash prevented forests from becoming reestablished.
D) After a century,the island has been repopulated,but species diversity is low.
E) After a century,the island has recovered and species composition is dynamic.