Which of the Following Statements Regarding the Level of Demand

Which of the following statements regarding the level of demand for the goods sold or services provided by companies is ?

A) If a client operates in an industry subject to changing trends,the client does not risk inventory obsolescence.
B) If a client's products or services are seasonal,this will affect revenue flow.
C) If a client's products or services are seasonal,this will not affect revenue flow.
D) When a product or process is subject to technological change,there is never a risk that the client will be left behind by its competitors.