Which is the most important question to consider to achieve the desired outcome when developing an activity for use on the virtual classroom?

Which is the most important question to consider to achieve the desired outcome when developing
an activity for use on the virtual classroom?

A.
What contingency plan will I use if technology fails?

B.
Which virtual tools are needed, and will participants want to use them?

C.
How much time will the activity take in the virtual environment?

D.
Is this activity the best way to achieve the learning objective?