PT 10 S1 Q23

No one knows what purposes, if any, dreams serve, although there

The reasoning in the argument most closely conforms to which one of the following principles?
(A) Facts about one species of animal can provide confirmation for hypotheses about all species that are similar in all relevant respects to the particular species in question.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Illustrating/Identifying Principles" Questions, Set 2 - Identifying