单选题：The waterfall model of software development is __.
The waterfall model of software development is __. @[A](1)
A. A reasonable approach when requirements are well defined.
B. A good approach when a working program is required quickly.
C. The best approach to use for projects with large development teams.
D. An old fashioned model that is rarely used any more.
A.A reasonable approach when requirements are well defined.
B.A good approach when a working program is required quickly.
C.The best approach to use for projects with large development teams.
D.An old fashioned model that is rarely used any more.
答案：A
A. A reasonable approach when requirements are well defined.
B. A good approach when a working program is required quickly.
C. The best approach to use for projects with large development teams.
D. An old fashioned model that is rarely used any more.
A.A reasonable approach when requirements are well defined.
B.A good approach when a working program is required quickly.
C.The best approach to use for projects with large development teams.
D.An old fashioned model that is rarely used any more.
答案：A