A、It’s impossible to apply the technique to clinical use. B、It’s important to receive blood compatible with the right type. C、It

W: I don’t want my son Tim to hang out with Bob, who drinks and once stole his father’s car.
M: Well, it’s important to discuss your concerns with your son. Calmly explain why you think spending time with Bob is not in his best interests.
Q: What is the woman most probably doing?

M: I just read about an exciting technique. Researchers found a way to convert types A and B blood into type O blood- the type that can be transfused into any patient.
W: Then we will not have blood shortages in the future.
Q: What does the woman mean about the new technique?