Answer: D. Did you realize there are 36 million people in Canada? Think about us expanding sales there
Step-by-step explanation:
The best opener for a speech to to the statisticians of an insurance company looking to expand from the United States to Canada will be:
"Did you realize there are 36 million people in Canada? Think about us expanding sales there".
The above opener will be a source of motivation, a form of encouragement that will make the statistician realise that there are many people in Canada and that the company will benefit and improve its sales when it's located there.