Question: Which statement is correct regarding the disposal of High level waste produced from radioactive material?

I. High level waste produced from the reprocessing plant is vitrified into a glassy form, enclosed in multiple barrier vessels II. They are stored for a temporary period of three to four decades in engineered vaults with essential observation services III. After cooling down in these storage facilities, waste vessels will be stored for long term in deep geological repositories

Options:

A) I & II

B) Only II

C) Only III

D) All the above