Which of the Followings Statements Does Not Represent an Advantage

Which of the followings statements does not represent an advantage of the product portfolio approach?

A) A global view of the competitive structure
B) A guide for formulating a global marketing strategy based on the suggested allocation of scarce resources between product lines
C) A convenient visual communication goal, achieved by integrating a substantial amount of information in an appealingly simple format, including assessment of interlinkages between units and products
D) All of these choices