Which among the following is incorrect about classification of flowers based on the arrangement of whorls in a flower?

• A. In hypogynous flower, ovary is present at the lower most level when compared to sepals, petals and stamens
• B. In perigynous flower, ovary is neither the bottom most whorl nor the top most whorl
• C. Ovary in perigynous flower is called half superior ovary
• D. Ovary in epigynous flower is called inferior ovary