Assess three factors that will have a positive impact on e-business post​

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

In a group discussion, which statement most clearly uses evidence to support a conclusion? a) the author makes some good points, but i feel that he’s ultimately biased. b) the author proves that he’s biased when he uses terms like “silly” and “stupid”. c) the author obviously hates the way fast food tastes, which is why he’s negative. d) the author first criticizes fast food, and then goes in to criticize junk food.

What is the central idea of this passage? when i was a kid