The correct option is D Six
China rose, mustard, brinjal, potato, onion and tulip are the plants that have superior ovary whereas in guava and cucumber, ovary is inferior.
Superior ovary is the ovary which is present above the thalamus and is called hypogynous ovary. China rose. Mustard, Brinjal. Potato, Onion, and Tulip are superior ovaries and guava and cucumber have an inferior ovary.
So the correct option is 'Six'.