Ever Wonder How Video Game Dragons Were Created? or Ask

Ever wonder how video game dragons were created? Or ask yourself how the makers of the movie Perfect Storm created and filmed those gigantic waves? The same computers that created these images have also helped design everything from jumbo jets to an ice-cream-bar shape that minimizes melting in the midday sun.And by giving doctors ways to locate tumours with pinpoint precision,these machines are instilling new hope in victims of once-inoperable brain cancer.It's all the work of the most magical computer maker on the planet,Silicon Graphics,Inc.(SGI) .From movies to molecular science,interactive TV to hyperactive video games,the digital imagery conjured up by SGI technology is pushing the computer industry into a new dimension-the third one,to be exact.Its engineering workstations and computer servers transform reams of data into 3-D images.In an industry marked by huge hype,SGI is the genuine article-a truly innovative company with clearly unique products.
-Refer to Silicon Graphics,Inc.All the products (engineering centres and computer servers) offered by SGI are closely related,though a little different based on the target markets.What do these products make up for SGI?

A) its marketing mix
B) its product mix
C) its line depth
D) its mix depth