An introduction has several purposes. which of the following choices would best accomplish the purpose of gaining an audience’s attention?

I would go with giving the statistics of how many people die in a car accident because they didn’t use their seat belt.  It is a straight forward approach that will definitely catch the attention of the audience. The number alone will stop and make them think about it.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

answer; specific deterrence;