Which passage from the article best supports the idea that it can be tough to score points in pickleball? A.If your foot—even just a toe—happens to be in the NVZ when you're initiating or returning a volley, that's a fault. B.You hit the ball with a paddle instead of a racket, the ball is plastic and has holes in it (like a wiffleball). C.…about 5 million Americans play pickleball regularly in parks, community centers, retirement communities, and as part of leagues. D.…the first thing you need to know about this invigorating game is that it has absolutely nothing to do with pickles.

The passage that best supports the idea that it can be tough to score points in pickleball is passage A. In this passage, it mentions that even a slight mistake, such as having a foot in the wrong position, can result in a fault, indicating that scoring points in pickleball requires precision and careful execution.