Context: Placental mammals are a group of animals with similar traits. The following traits can be used to identify placental mammals:
They give birth to live offspring.
They have fur or hair. Observe the animals and read the descriptions.
Select the one animal that has all of the placental mammal traits listed above.
A. Japanese tree frog tadpoles hatch from eggs without shells. The tadpoles live underwater. After some time, they grow legs and crawl onto land. Adult Japanese tree frogs have moist, smooth green skin.
B. Orangutans live mostly in trees and have long, reddish hair. Orangutans give birth to live offspring.
Select the correct answer from the given choices and respond with the letter of the chosen option.

B