Sonia Is 41 Years Old and Considering in Vitro Fertilization

Sonia is 41 years old and considering in vitro fertilization. You, her good friend, wisely advise her to

A) forget about it, as there's only a 4 percent chance that it will work.
B) go ahead, as there are no down sides even if it doesn't work.
C) go ahead, as the chances of her getting pregnant are 30-40 percent.
D) go ahead, as the chance of her getting pregnant is 75 percent.