Answer:
Several years ago in Indiana, a Department of Education lawyer suggested that allowing advertisements on buses would invite First Amendment challenges…” (paragraph 11)
There are real costs to this: the price of selling out your students to advertisers.” (paragraph 6)
National studies have shown that anything that diverts a driver’s attention from the road can pose a hazard, opponents say.” (paragraph 9)
Explanation: Im honestly not sure if those are correct.
B. Grandfather, because in the sentence "grandfather" is used to address him... it's used as his name.