According to International Organization for Standardization (ISO) 31000:2018, an organization ' s risk management program...

 ISO 31000:2018 Guidelines:

This standard emphasizes that a risk management framework should align with the organization’s size, complexity, objectives, and operations to ensure effectiveness and relevance.

 Why A is Correct:

Proportionality ensures that resources are allocated efficiently, addressing risks that directly impact the organization’s goals while avoiding overcomplication.

 References:

ISO 31000:2018 risk management principles​​.