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As an important phase in software development, software design is the continuation of soft
Ⅰ. software structure
Ⅱ. software document
Ⅲ. software module v
Ⅳ. software procedure
Which of the following should be included in software design phase?
A.ⅡandⅢ
B.ⅠandⅡ
C.Ⅰ, Ⅱ and Ⅲ
D.All