Synonym of LATENT

Answer: Option D

Prompt : (of an event or fact) cause or bring about (an action or feeling).
Lethargic : affected by lethargy; sluggish and apathetic.
Apparent : clearly visible or understood; obvious.
Concealed : kept secret; hidden.
Latent : lying dormant or hidden until circumstances are suitable for development or manifestation.

Synonym of Latent is Concealed