Detailed Instructions: You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.
Q: Paragraph- Sent 1: Have you ever seen an egg?
Sent 2: Some animals do not have live births.
Sent 3: Instead, they lay eggs.
Sent 4: The eggs contain the embryo.
Sent 5: The embryo matures in the egg.
Sent 6: With time, it will hatch.
Sent 7: Some animals hatch and do not need care from their parents.
Sent 8: They are ready to live on their own.
Sent 9: Other animals will still need the care of their parents.
Sent 10: Sea turtles break out of their shells.
Sent 11: They immediately walk to the ocean.
Sent 12: They do this with no help from an adult.
Sent 13: Birds stay in the nest for many weeks.
Sent 14: They are cared for by their parents.
Sent 15: They leave the nest when they are strong enough to fly.
Sent 16: Some animals give birth to live offspring.
Sent 17: Animals like horses, cows, and whales give live birth.
Sent 18: Their offspring are born looking like mini adults. 
Question: Give an example of an animal that needs the care of its parents after birth. (A) Birds (B) Birds ,Sent 13: Birds stay in the nest for many weeks.
Sent 14: They are cared for by their parents (C) Sea turtles.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
A, B.