$4.$ Which of the following about disruptive technologies is NOT true?

$$Disruptive technologies radically change the business landscape and environment.

$$Disruptive technologies are substitute products that appeal to a small market niche or non$-$consumers.

$$Once a disruptive technology takes hold in the small niche of the market, it eventually catches up with the needs to mainstream customers.

$$Disruptive technologies are always significantly better technologies.

$$Disruptive technologies may put entire industries out of business.

$$Firms that invent disruptive technologies as first movers always become market leaders.

$$A& B

$$C& D

$1.$ C$,$ D& E

J$.$ D& E