The Main Difference Between Therapeutic Cloning and Reproductive Cloning Is

The main difference between therapeutic cloning and reproductive cloning is that

A) in therapeutic cloning,embryonic stem cells are extracted from the blastocyst,while in reproductive cloning,the blastocyst is kept intact and implanted into a surrogate mother.
B) somatic cell nuclear transfer is used for therapeutic cloning,while gametic cell nuclear transfer is used in reproductive cloning,the blastocyst is kept intact and implanted into a surrogate mother.
C) unlike cells used for reproductive cloning,cells grown for therapeutic purposes do not display genetic imprinting problems.
D) unlike cells used for reproductive cloning,cells grown for therapeutic purposes do not require the destruction of embryos.