The Major Difference in Vegetation Between the Different Humid Tropical

The major difference in vegetation between the different humid tropical (A) regions is that ________.

A) wet tropical regions have rain forests,and tropical wet and dry regions have grasslands
B) wet tropical regions have grasslands,and tropical wet and dry regions have rain forests
C) wet tropical regions have grasslands,and tropical wet and dry regions have brush and succulents
D) wet tropical regions have brush and succulents,and tropical wet and dry regions have grasslands
E) wet tropical regions have rain forests,and tropical wet and dry regions have brush and succulents