Your company, HealtNut Inc. , is a leading marketer of dietary supplements that can be produced quickly and without regulatory approval. Management wants to explore new markets and new products to boost revenue and profits. You are leading a team to identify potential products. Because of your background and interest in information technology, you recommended developing wireless communications products. But when you submitted the idea for review, executive management informed you that this product would not fit with the organization’s core competencies. You need to go back to the drawing board and recommend other products using management’s guideline as ______ .
A．an assumption
B．a constraint
C．a specification
D．a technical requirement