By the Eighth Week of Human Fetal Development, ____

Multiple Choice

By the eighth week of human fetal development, ____.

A) ​the embryo does not look human yet
B) ​the neural tube has just begun to differentiate
C) ​upper and lower limbs have formed, but individual fingers and toes have not begun to differentiate
D) ​male or female reproductive structures have not started to form yet
E) ​male or female reproductive structures are forming