The scientific name for a white oak is Quercus alba; the scientific name for a red oak is Quercus rubra. What does this tell you about the organism?

AWhite oaks are grouped in the genus Quercus.
BRed oaks are grouped in the genus alba.
CWhite oaks are grouped in the same species category as red oaks.
DRed oaks are grouped in the species Quercus.