The question asks us to match the authors with their corresponding books.

Option 1: A-2, B-3, C-4, D-1

This option suggests that Arthur Eddington wrote "Expanding Universe", Charles Darwin wrote "The Double Helix", James D. Watson wrote "The Origin of Species", and Stephen Hawking wrote "Black Holes and Baby Universes". This is incorrect.

Option 2: A-2, B-4, C-3, D-1

This option suggests that Arthur Eddington wrote "Expanding Universe", Charles Darwin wrote "The Origin of Species", James D. Watson wrote "Black Holes and Baby Universes", and Stephen Hawking wrote "The Double Helix". This is the correct answer.

Option 3: A-1, B-3, C-4, D-2

This option suggests that Arthur Eddington wrote "Black Holes and Baby Universes", Charles Darwin wrote "The Double Helix", James D. Watson wrote "The Origin of Species", and Stephen Hawking wrote "Expanding Universe". This is incorrect.

Option 4: A-1, B-4, C-3, D-2

This option suggests that