The correct answer is A) participle. It is a past participle, used as adjective broken in this sentence.
The answer is “who” referring to one person
Answer: we are counting on the cashier and the security at the door
Explanation:
Teh cashier is mentioned which means she was paying there for her items and we see the cashier putting her grocery on the plastic bags which is only usual done after the customer has paid .Jackie was also able to leave the store we can assume that at the door she passed through the security who checked her grocery to ensure it was paid for and then she was allowed to leave the store freely.