Question

Which sentence has the correct capitalization?
A)Astronaut neil armstrong stepped onto the moon’s surface and said, “that’s one small step for a man, one giant leap for mankind.”
B)Astronaut Neil Armstrong stepped onto the Moon’s surface and said, “That’s one small step for a man, one giant leap for mankind.”
C)Astronaut Neil armstrong stepped onto the moon’s surface and said, “That’s one small step for a man, one giant leap for mankind.”
D)Astronaut neil Armstrong stepped onto the Moon’s surface and said, “that’s one small step for a man, one giant leap for mankind.”