Ben is the project manager of the YHT Project for his company. Alice, one of his team members, is confused about when project risks will happen in the project. Which one of the following statements is the most accurate about when project risk happens?

A. Project risk can happen at any moment.
B. Project risk is uncertain, so no one can predict when the event will happen.
C. Project risk happens throughout the project execution.
D. Project risk is always in the future.