Select the option that can be used as a one-word substitute for the given group of words.

A very expensive and elaborately built tomb

Mausoleum

The option that can be used as a one-word substitute for the given group of words "A very expensive and elaborately built tomb" is "Mausoleum."

Explanation of the options:

☀ Mausoleum: A large and impressive tomb, typically built to house the remains of a notable person or a royal family.

☀ Cemetery: A burial ground or a place where the deceased are laid to rest.

☀ Mosque: A place of worship for followers of Islam.

☀ Masterpiece: An exceptionally well-crafted or outstanding piece of work, often used to refer to artistic creations.