Which of the following fractures is associated with high mortality and morbidity?

(Refer: Mohindra’s Fundamentals of Orthopedics, 2nd edition, pg no. 110, 117) Pelviacetabular factures are associated with high morbidity and mortality because: They are caused by high velocity injuries They can have associated compound fractures along There may be damage to associated pelvic and abdominal organs There is significant blood loss present usually