问题
单项选择题
As an important phase in software development, software design is the continuation of software requirement analysis phase. Ⅰ．software structure Ⅱ．software procedure Ⅲ．software module Ⅳ．software document which of the following should be included in software design phase
A．Ⅰand Ⅱ
B．Ⅱand Ⅲ
C．Ⅰ,Ⅱ and Ⅲ
D．All
答案
参考答案：D