Answer:
So for years, scientists have been trying to use cloning techniques to make embryonic stem cells that are essentially a genetic match for patients. The idea is that such a close match would prevent their bodies from rejecting the cells. "It's been a holy grail that we've been after for years,"
Explanation:
I believe the speaker in this work of art comes to realize that D) His father has led an extremely admirable life.
By avoiding sentimentality C--APEX
ከመኸነ ወየፈሐ ጸነወሐ ነኸጸየ ጠኸነ መጰ ነ