A place was rocky and barren but now there is a green forest; the sequence of origin is:

A. Lichen, mos, herbs, shrubs
B. Moss, lichen, herbs, shrubs
C. Lichen, moss, shrubs, herbs
D. Shrubs, herbs, moss, lichen

The correct answer to the question: "A place was rocky and barren but now there is a green forest; the sequence of origin is:" is "Lichen, mos, herbs, shrubs ".