The correct option is A Multicellular and jacketed sex organs
The main difference between algae and bryophytes is the division of the plant body; Algae: Algae can be unicellular or multicellular and filamentous. Algae: Sterile jacket is not found covering sex organs of algae. In the past, most studies have focused on the role of the cellulose/xyloglucan. So, the correct option is "A" (Multicellular and jacketed sex organs).