Final answer:
Gestational trophoblastic disease, also known as molar pregnancy, is represented by the option C) Hydatidiform Mole. It is a rare condition in which abnormal cells grow in the uterus instead of a normal pregnancy.
Step-by-step explanation:
Gestational trophoblastic disease, also known as molar pregnancy, is represented by the option C) Hydatidiform Mole in the given question. It is a rare condition in which abnormal cells grow in the uterus instead of a normal pregnancy. The abnormal cells can develop into a mass or tumor and may have characteristics of both the embryo and the placenta.