Which code fragment correctly defines the detail field that PersonDetail instance in removed if the person instance that references it is removed?

Given two entities with one to-one association:

Which code fragment correctly defines the detail field that PersonDetail instance in removed if the person instance that references it is removed?

A.
@OneToOne (optional = false)
personDetail detail;

B.
@OneToOne (optional = false)
@mapsId
PersonDetail Detail;

C.
@ OneToOne (orphanremoval = true)
PersonDetail Detail;

D.
@ OneToOne (cascade = ORPHAN _ DELETE)
@mapsId
PersonDetail detail;