In Mosses, the Protonema Resembles Filamentous Green Algae Because

In mosses, the protonema resembles filamentous green algae because

A) both are composed of branched photosynthetic filaments.
B) both contain nonphotosynthetic cells involved in nitrogen acquisition.
C) both produce three-dimensional buds after a certain period of linear growth.
D) both produce linear, unbranched photosynthetic filaments.
E) both contain nonphotosynthetic cells involved in detoxifying chemical pollutants.