Angelica Has Just Learned That She Is Pregnant

Multiple Choice

Angelica has just learned that she is pregnant. Because this is her first pregnancy, she is reading a book called The Birds, The Bees, and the Next Nine Months to learn more about the development of her unborn child. Every interesting fact she learns, she shares with her husband, Dominic.
-Angelica finds out that she is pregnant after implantation but before the baby is old enough to be called a fetus.According to the book,she found out she was pregnant when her unborn child was __________.

A) a blastocyst
B) a germinal blastocyst
C) an embryo
D) a germinal zygote