What is the name for a five-tone mode?

A trilithon is a

a. basic single post-and-lintel form. b. three posts-and-lintels. c. fossil. d. basic three-part painting. e. triple stone.

Believers today should seek to determine what their __________ __________ is/are, and then use it/them to build up Christ's body, the Church.

What will be an ideal response?