Here is a single or multi-choice question: Which classical Spanish writer said `` All that glitters is not gold '' ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?

Select from the following.
[A]. description.
[B]. entity.
[C]. abbreviation.
[D]. human.
[E]. numeric.
[F]. location.
[D].