dahlias are stocky plants with showy flowers that come in a wide range of colors. A. Comprising 20 species and many cultivated forms B. When they comprise 20 species and many cultivated
_____, dahlias are stocky plants with showy flowers that come in a wide range of colors.
A. Comprising 20 species and many cultivated forms
B. When they comprise 20 species and many cultivated forms
C. If comprising 20 species many cultivated forms
D. They are comprised 20 species and many cultivated forms