Read the following sentences and decide what kind of organizational pattern these sentences follow?
 
Games are of limited duration, take place on or in fixed and finite sites and are governed by openly promulgated rules that are enforced on the spot by neutral professionals. Moreover, they are performed by relatively evenly matched teams that are counseled and led through every move by seasoned hands. Business is usually a little different. In fact, if there is anyone out there who can say that the business is of limited duration, takes place on a fixed site, is governed by openly promulgated rules that are enforced on the spot by neutral professionals, competes only on relatively even terms.
A、Point-by-point pattern.
B、Block pattern.
C、Subject-by-subject pattern.
D、Causal analysis.