A. The reference business objects, business services, and process models map to the Business Services layer.

B. The reference business objects and reference business services map to the Business Services layer and the reference process models map to the Business Process layer.

C. The reference business objects map to the Connectivity layer, the reference business services map to the Business Services layer, and the reference process models map to the Business Process layer.

D. The reference business objects map to the Data Normalization layer, the reference business services map to the Business Services layer, and the reference process models map to the Business Process layer.

E. The reference business objects, business services, and process models map to the Business Process layer.