Choose the best way to clarify the following sentence by adding a more specific adverb.
some of the other qualities the narrator attributes to the knight, such as chivalry, are also indefinite to a modern reader.
select one:
a. some of the other qualities the narrator attributes to the knight, such as chivalry, are also puzzlingly indefinite to a modern reader.
b. some of the other qualities the narrator attributes to the knight, such as chivalry, are also simply indefinite to a modern reader.
c. some of the other qualities the narrator attributes to the knight, such as chivalry, are also happily indefinite to a modern reader.
d. some of the other qualities the narrator attributes to the knight, such as chivalry, are also quickly indefinite to a modern reader.