Which architectural feature demonstrates the efforts of church builders at the benedictine church of san clemente in rome to reclaim the artistic and spiritual legacy of the early church?

The architectural features that demonstrate the efforts of church builders at the Benedictine Church of San Clemente in Rome to reclaim the artistic and spiritual legacy of the early church are the use of spolia, the decoration of apse and using of a timber roof. The Benedictine Church of San Clemente in Rome was rebuilt in the 11th century. Its decoration and architecture depict a major work to recover the spiritual and creative heritage of the church.