The correct answer is A) on the facade only.
In a Romanesque church, relief sculptures would be found on the facade only.
Romanesque churches were part of the Romanesque architecture style during European Medieval Times. Architects and historians that this type of architecture begun in the 6th century and ended with the advent of Gothic architecture in the 12th century.
The Romanesque style combines the influence of Roman architecture and the Byzantine style. It is characterized by its semicircular arches, sturdy pillars, large towers at the front of the churches, and their relief sculptures on the facade.