The earth Direct Rotation is called retrograde.
Members of the upper social classes tend to engage in INDIVIDUAL sports more frequently than members of the lower classes. The upper class people are wealthy and they like to ski, play tennis, go for boating and enjoy leisure time. They can go for golfing and spend a lot on their leisure activities.
For this item and the choices we are given, I go with nonresponse. Thus, the answer is letter B. This process of surveying is one of the best there is; however, it faces the disadvantage that not every owner of the homes who have chosen may be kind enough to lend you some of their time to answer the questions.