British Star Rating is an example of: Select one: a. Commercial classification system b. Official classification system c. Simple classification system d. Private classification system British Star Rating is an example of: Select one: a. Commercial classification system b. Official classification system c. Simple classification system d. Private classification system Select one: a. Commercial classification system b. Official classification system c. Simple classification system d. Private classification system a. Commercial classification system b. Official classification system c. Simple classification system d. Private classification system.