$10.$ Journalists have raised concerns about the usage of mainstream publishers incorporating native advertising on news sites. The main concern is that:

Group of answer choices

a$)$ Native advertising can be deceptive & lacks transparency.

b$)$ Journalists are not being properly compensated for native advertising being placed with their stories.

c$)$ The brands can't track the number of views via the publishers.

d$)$ There are no concerns as native advertising is perfectly legal.