The answer is tempered steel:)
The answer is B: Less than a decade ago, the HSUS...an affiliate [Human Society International].
Brackets are used to give the writers (when they need to add information) an opportunity to add an explanation, or emphasis to a word, or change a <em>quote to fit to a sentence, but without changing the meaning of the text</em>. In A) <em>global work</em> doesn't need explanation; C) <em>decade</em> doesn't need explanation; D) <em>HSUS</em> was already explained in the first sentence of the text.
New technologies have changed the whole world in scientific matters, social relationships, economy, health, nature, and we could go on with many more examples. One of the things that has been modified with this development is advertising. Now tech marketing is one of the main things to consider if you want to persuade people.
Actually, the classic way to advertise something has been left behind, after tech marketing and media.
Answer:
A
Explanation:
When you read sentence A, it doesn't sound fluent.
