Use the following figure to answer the questions below.

-Which of the following should be most helpful in distinguishing the clades depicted on the tree in the above figure from each other?

A)the types of conducting tissues that are present
B)the types of photosynthetic pigments that are present
C)the details of reproduction
D)the concentration of stomata present on leaves of the saprophyte generation
E)whether it is the sporophyte generation or the gametophyte generation that is dominant