How Did Ancient Greeks Such as Aristotle Know That Earth

Multiple Choice

How did ancient Greeks such as Aristotle know that Earth is round?

A) The shadow cast by Earth on the moon during an eclipse is the shape that would be expected if both Earth and the moon were spherical.
B) By noting that ships drop below the horizon as they go out to sea.
C) Travelers reported that, in northern lands, the noontime sun is lower in the sky.
D) All of the above.
E) Actually, the ancient Greeks thought that Earth is flat.