Positive changes usually do not happen overnight , but they do happen . For years China has been under a sea of rotting plastic bags , billions casually dumped every year . Since June this year , this tide of garbage had begun to ebb .

Q with options: Give answer the following question using evidence from the above passage: What may be the reason plastic garbage has begun to ebb ?

+China has made plastic free for purchase to all ..
+China has banned plastic in the entire country ..
+None of the above choices ..
+China has decided to hide all plastic from the public ..
China has banned plastic in the entire country .