题目：An example of the risk involved in software development is:
A. key personnel may resign before the product is complete , technology changes may render the product obsolete.
B. the manufacturer of critical components (e.g. the hardware associated with a real-time system) may go bankrupt.
C. competitors may market a fully functional lower-cost equivalent package.
D. All of these are risks involved in software development.
答案：评论后可见此内容
