Critical Reasoning (CR) | Re: Technological innovation rarely serves the interests of society as a w

My view on this:

Main point to catch is

. This can be seen from the fact that those responsible for technological advances are almost without exception motivated by consideration of personal gain rather than societal benefit...

So basically author wanted to convey that motivation leads to a product that define its effectiveness.... personal motivation cannot develop socially effective product ..D says that.

In B , actually author says what type of product is developed when there is personal
...

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