问题如下：
Which of the following is not an external influence on industry growth?
选项：
A.Governmental factors.
B.Technological factors.
C.Bargaining power of suppliers.
解释：
C is correct.
Bargaining power of suppliers is best characterized as an internal influence. External influences on growth of an industry include technological, macroeconomic, demographic, governmental, and social influences.
internal influence包括哪些？
major companies, entry barriers, industry concentration, influence of industry capacity on pricing, industry stability, life cycle, competition, influence of demographic, influence of social, influence of government, influence of technology, and whether the industry is defensive, cyclical, or growth？
