Answer:
B. Jagged stones
Step-by-step explanation:
The material that Steven can use to achieve a rough texture is jagged stones. Optical texture on a building is described as visual characteristics of the structure as observed from afar, such as windows, voids, corners and sweeping curves. Tactile texture is the physical touch a person feels when in contact with the building material. A visual texture can also be described by the appearance of patterns as they appear on the surface of the building material. To attain a rough texture on the building surface, Steven should use jagged stones.