You use Power Automate to create a flow that automatically sends email to a project manager whenProject team members mark a task as complete.Project team members are prematurely marking tasks as complete. Project leads must validate that tasksAre complete before an email is sent to the project manager to announce task completion.You need to modify the flow.Which component should you use?
选项：

A: a process argument
B: a condition
C: an expression
D: a trigger
E: a solution