Which Characteristics Differentiate Industries Such As, on the One Hand

Which characteristics differentiate industries such as, on the one hand, aircraft manufacturers and commercial satellites, and, on the other hand, e-service and fast food industries?

A) The second category of industries has very few players whereas the first category of industries is very fragmented, with thousands of players
B) The capital requirements are very high for the first category and moderate for the second category
C) The first category is highly sophisticated and requires top notch technical skills, whereas the second category relies upon marketing competencies
D) The intensity of competition is lower in the first category of industries than in the second category