Answer the following question given this paragraph: 

Placental mammals give birth to a relatively large and mature fetus. This is possible because they have a placenta to nourish the fetus and protect it from the mother’s immune system. This allows for a long period of growth and development before birth.


Q: Do placental mammals give birth to relatively small or large fetuses?

 Choices:

- they don't give birth

- neither

- small

- large

A:
large
