An Organization Relies Heavily on an Application That Has a High

An organization relies heavily on an application that has a high frequency of security updates. At present, the security team only updates the application on the first Monday of each month, even though the security updates are released as often as twice a week. Which of the following would be the BEST method of updating this application?

A) Configure testing and automate patch management for the application.
B) Configure security control testing for the application.
C) Manually apply updates for the application when they are released.
D) Configure a sandbox for testing patches before the scheduled monthly update.