Answer:
The correct answer is D.
Explanation:
Osteo is a <u>prefix</u>, which is use to mean bone or bone related: osteogenesis, osteomyelitis, osteoporosis, etc.
-ecotmy is a <u>suffix</u>, refers to removal of something surgically: adenectomy, diverticulectomy, embolectomy, etc.
-ostomy is a <u>suffix</u>, refers to a surgical creation of an opening in an organ: gastrostomy, colostomy, etc.