Answer:
A.Cacti
Step-by-step explanation:
Thick-stemmed trees and shrubs, growing on rocky volcanic soils, cover the highest parts of the mountain ranges. Dominant species are Ambrosia camphorata, Erodium cicutarium, and Astragalus prorifer. Fouquieria columnaris can be also found up to 1200m. Many species of cacti are present.