Hi Marc Michault,
I'm glad that you were able to resolve your issue and thank you for posting your solution so that others experiencing the same thing can easily reference this! Since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others ", I'll repost your solution in case you'd like to accept the answer.
Ask: Incorrect answer in question 2 of "Check your knowledge" in module "Optimize your business process with process advisor"
Solution: It looks like you were able to figure out the correct answer after reviewing the explanation more thoroughly. The issue may have been due to a misunderstanding of the question or its explanation. In such cases, it’s always helpful to revisit the content for clarity.
If you have any other questions, please let me know. Thank you again for your time and patience throughout this issue.
Please don’t forget to Accept Answer and Yes for "was this answer helpful" wherever the information provided helps you, this can be beneficial to other community members.