What Is the Goal of Stem Cell Research

What is the goal of stem cell research?

A) To be able to grow human babies in the laboratory
B) To be able to grow human stem cells to replace damaged or diseased cells
C) To use injected stem cells to cure cancer
D) To be able to use embryos and fetuses for spare parts for other family members
E) To find a use for the many embryos that are presently frozen but went unused as part of the in vitro fertilization process