Which of the following is commonly known as starch sheath:

Mendel emasculated garden pea plant. Emasculation is the
a) removal of flower buds
b) removal of anthers before dehiscence
c) removal of carpels before dehiscence
d) removal of mature flowers

Which of the following is commonly known as starch sheath:
(A) Pericycle
(B) Epidermis
© Endodermis
(D) None of these