According to the crossing$-$the$-$chasm framework, a firm's transition between the different parts of the industry life cycle is difficult because

A$)$ the number and size of competitors change throughout the industry life cycle.

B$)$ the firm tends to follow a predictable industry life cycle.

C$)$ there are frequent changes in the supply and demand sides of the market throughout the industry life cycle.

D$)$ there is a big gulf separating the early adopters from customer segments that make upy$]$ings