I believe it is a compound sentence
<span>banjos:)
hope that it will be useful</span>
C is incorrect because the period shouldn’t be placed until you have mentioned who has said the dialogue
Some people on earth, don't get enough water everyday and they have to walk 5km at least to get a bucket of filthy water. So people who have clean water everyday sometimes waste it and pour it into a drain. However, they do not think about the people who actually need it and they take it for granted.