David decided to present his informative speech on "how to give the heimlich maneuver." he opened by recounting how he saved his younger brother's life when his brother was choking on gum he had accidentally swallowed. which of the strategies to maintain audience interest was david utilizing?

David utilized his speech to maintain his audience is by story telling. Because he started his informative speech about "How to give the Heimlich maneuver" by retelling how his younger's brother life was saved by him when his brother accidentally choked on a gum. The audience in return was fascinated and interested into what happened next.