This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
The following is true of Robe's pelvis : 
Select and explain. 
A. Triradiate pelvis, B. Single ala absent, C. Both alae absent, D. Wide pelvic brim
C: Both alae absent
Answer: C: Both alae absent 
Explanation: Both alae absent