单选题 The discussion of the regional bank serves which of the following functions within the passage as a whole?

A、 It describes an exceptional case in which investment in service actually failed to produce a competitive advantage.
B、 It illustrates the pitfalls of choosing to invest in service at a time when investment is needed more urgently in another area.
C、 It demonstrates the kind of analysis that managers apply when they choose one kind of service investment over another.
D、 It provides an example of the point about investment in service made in the first paragraph.

【正确答案】 D

【答案解析】主旨题。对地方银行的论述在文中起什么作用? A．“exceptional case”不符，第一、二段是一致的。B．“pitfalls”无。C．“One kind Of service investment over another”文中无。D．正确，提供了在第一段作出的关于服务投资的观点的一个例证。第一段反复论证有时服务投资无用，第二段提供一个证据。