What is a key characteristic of a disaster recovery(DR) solution compared to a high availability (HA)solution?

A.
DR always requires human intervention while HA always is automated

B.
DR means doubling all equipment in 2 separate sites while HA means doubling all equipment in a single
site

C.
DR only protects from natural disasters (fire, flooding, earthquakes etc) while HA only protects from IT
equipment outage

D.
DR protects from outage of a complete site while HA protects from outage of one or several individual
elements in the IT infrastructure