题目：
Which of the following is true about the WBS:
A．The WBS is another term for the Gantt char
B．Each descending level of the WBS represents an increasingly detailed definition of the project wor
C．Work not in the WBS is usually defined in the scope statement of the projec
D．The WBS shows only the critical path activitie
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析： 实行集中营销策略，由于目标市场比较单一和窄小，一旦市场情况发生某种突变，如消费者偏好转移、购买力下降或出现强大的竞争者，企业就有可能一下陷入困境。
