Which phrase best helps to determine the meaning of "sporting proposition" in the sentence "simply this: hunting had ceased to be what you call 'a sporting proposition.' It had become too easy. I always got my quarry. Always. There is no greater bore than perfection."?
(a) it had become too easy. i always got my quarry.
(b) businessmen often go to pieces when they give up the business that has been their life.
(c) i had to invent a new animal to hunt
(d) when i thought of this, it was a tragic moment for me
