The strategy which would be most helpful when preparing to deliver an effective presentation is:
According to the given question, we are asked to state the strategy which would be most helpful when preparing to deliver an effective presentation.
As a result of this, we can see that the most effective strategy to make use of from the list of available options when preparing to make an effective presentation is to make constant practices.
Therefore, the correct answer is option C
Read more about presentations here:
https://brainly.com/question/11827791
