Look at this passage from the Article:
She set to work making him a cup that wouldn't tip. Her three-legged design worked
way too well to just keep it in the family. Let's face it, everybody spills, and nobody
likes moppin' up a messi By age 16, this enterprising inventor had sold tens of
thousands of her untippable Kangaroo Cups,
In this passage, the word enterprising means
A
having practical understanding or knowledge of something
B
attractive and interesting in a way that holds one's attention
C
characterized by a strong desire to help those in need
D
having or showing the ability to do new and difficult things