But the game for whose presence he kept so keen an outlook was none that figured in the sportsman's calendar as lawful and proper for the chase; ulric von gradwitz patrolled the dark forest in quest of a human enemy. what is the best definition for keen as it is used in the second sentence of this passage? a) large and oversized b) sharp and penetrating c) fragile and expensive d) weak and disinterested

The BEST definition for keen as it is used in the second sentence of this passage is sharp and penetrating.

Explanation:

The word keen as it is defined in a dictionary can have different meanings that go from using it as an adjective that describes a very sharp sense in a living being to an intense interest and willing toward any topic or activity, in this sentence, the word keen is being used as in the first description as it expresses something highly developed, deep and intense.