Which of the Following Statements from Student Exams Indicate a Need

Which of the following statements from student exams indicate a need for much more study?

A) Both plants and green algae contain chlorophyll a
B) Both plants and green algae contain vascular tissue.
C) Both plants and green algae store carbohydrates as starch.
D) Both plants and green algae have cellulose in their cell walls.
E) Both plants and green algae contain chlorophyll b