Lists cupid’s attributes in order to

show that cupid is real.

prove that cupid is a child.

disprove the existence of the atom.

compare them to the features of the atom.

D). Compare them to the features of the atom.

Explanation:

In the given excerpt, Bacon lists Cupid's attributes( 'great elegance', 'child forever', etc.) to compare them to the features of the atom. Francis Bacon establishes the comparison to correlate the features of the atom with the attributes of Cupid. He marks the similarity between them both, he says like atoms are the primary compounds, similarly, cupids are naked and innocent(devoid of being masked or clothed). Thus, option D is the correct answer.

a low four-wheeled open carriage of a kind formerly used in russia.