The evolutionary tree below shows the relationships among several groups of eukaryotic organisms. Land plants are considered to be a valid kingdom. The groups that are highlighted are all referred to as protists. How would the highlighted group need to be changed to make it a valid clade?
a. Remove charophyceans and add brown and golden algae
b. Remove red algae and add land plants
c. Remove charophyceans and add land plants
d. Remove red algae and add brown and golden algae