D is a run on sentence. There is a comma splice, which means that the writer used a comma to join sentences where there should not be a comma. To make D a correct sentence, it would be best to put a period where the comma is.
It is a disgrace when people refuse to practice pollution control. Air pollution continues to worsen.
Hope that helps!
Nice to hear that, good luck for your school dance team!
Occurs that he will never see that person again throughout eternity, either in the flesh or in the hereafter. ... The man is in such sadness, that the repeating words of the Raven, ... What does the phrase "nevermore" mean in "The Raven"?
