What$-$if questions are an integral part of risk planning. Which of the following illustrate effective use of what$-$if scenarios in managing project risks?

A$.$ Evaluating the impact of a key team member leaving the project unexpectedly

B$.$ Assessing the consequences of a major technology component failing

C$.$ Considering the effects of a significant delay in project funding

D$.$ Analyzing the outcomes of an unexpected regulatory change affecting the project