单选题
The analysis phase answers the questions of who will use
the system，what the system will do，and where and when it will be used．During
this phase，the project team investigates any current system，identifies {{U}}
{{U}} 57 {{/U}} {{/U}}，and develops a concept for the new
system．This phase has three steps：first，{{U}} {{U}} 58 {{/U}}
{{/U}}is developed to guide the project team's efforts．It usually includes an
analysis of the current system and its problems，and the ways to design a new
system．The next step is {{U}} {{U}} 59 {{/U}} {{/U}}．The
analysis of this information-in conjunction with input from the project sponsor
and many other people-leads to the development of a concept for a new system．The
system concept is then used as a basis to develop a set of business analysis
models that describes how the business will operate if the new system were
developed．The set of models typically includes models that represent the
{{U}} {{U}} 60 {{/U}} {{/U}}necessary to suppor the underlying
business process．Last，the analyses，system concepts，and models are combinedin to
a document called the {{U}} {{U}} 61 {{/U}} {{/U}}，which is
presented to the project sponsor and other key decision makers that decide
whether the project should continue to move forward．