Which of the Following Is an Example of Primary Succession

Multiple Choice

Which of the following is an example of primary succession?

A) new growth in a forest after a forest fire
B) regrowth and recolonization on Mt. St. Helens in areas covered with rock and lava
C) a wheat field that is not allowed to grow wild
D) regrowth of vegetation in an area covered by a mudslide after flooding
E) colonization of an isolated island by a population of long-horned beetles