(单选题)In the context of how people deal with the concept of time, which of the following statements is 对 about the sequential approach identified by Dutch researcher, Fons Trompenaars?

A、 People show a strong preference for following plans but are likely to deviate.
B、 Appointments are approximate and may be changed at a moment's notice.
C、 Schedules are subordinate to relationships.
D、 People tend to do only one activity at a time.