Sounds like someone is being told about someone else, and they're being told this person is selfish and vain, and that they are putting in a lot of work into some kind of selfish gain. This a well-known person (long enduring name). This person did something wrong to Africa/African people. I'm not entirely sure in the last two lines.
Answer:
C. in an advert
Explanation:
The above is taking the audience through the features of a mobile on display
A is the incorrect option