An internal audit engagement team found that the risk register of the project under review...

The root cause of the missing significant risks lies in the methodology used for risk identification. If the process relies too rigidly on a standard set of questions, it may overlook critical risks. By revising the risk identification methodology, the organization ensures that future projects capture relevant risks comprehensively and consistently, adding long-term value.

Option A addresses only the current project, not the underlying issue. Option B may improve knowledge but does not fix the flawed process. Option D merely shifts responsibility but does not address the methodology weakness.