Which of the following statements of pelvic organ prolapse is wrong? A: The cervix protrudes from the vaginal orifice while the uterus is still in the vagina, diagnosed stage Ⅰ B: Early clinical manifestation is the tissue prolapse of vaginal orifice C: According to POP-Q, the distal indication point of prolapse is 0, diagnosed stage II D: Evaluate the patient's condition before treatment and choose non-surgical treatment as the first choice