The most marked difference between invasive mole and ch...
单项选择题The most marked difference between invasive mole and choriocarcinoma is
A.The villi do not invade the myometrium in invasive mole.
B.There are no villi formed in choriocarcinoma.
C.The villi have functional capillaries in choriocarcinoma.
D.There is no hemorrhage in invasive mole.