According to Roman Funerary Custom, What Usually Happened at the Tomb

According to Roman funerary custom, what usually happened at the tomb of a deceased person?

A) Family members visited the tomb regularly and participated in ritual feasts in honor of the deceased.
B) Family members concealed all parts of the tomb underground except for a small grave marker.
C) Family members ritually sealed the tomb and did not visit it again.
D) Family members regularly sold the burial plot soon after the funeral, and older bodies were removed to make way for new ones.