The correct answer is - the introductory text in the sentence cannot stand alone.
The colon after 'including' should be removed because it is completely unnecessary. The word 'including' acts as a colon of sorts, so using both is redundant. You can either delete the colon and leave the sentence as is, or delete the word 'including' and add a colon, but not both.
The correct answer would be (B.) The thesis statement
To make awareness that pollution is getting worse and needs to stop.
1. D) the tour guide's dialect made him a bit difficult to understand
2. B)
Answer:a handbill advertising the play....fruit and other treats for sale...animal blood....young men playing female roles