I believe the answer is B<span />
Answer:
The correct answer is "Once a day".
Explanation:
According to social media marketing, it is a good idea to check your reader at least once a day. Readers help business by tracking what the consumers are seeing and what times of the day. Checking the reader at least once a day help people in marketing to be updated, because people's preference keep changing all the time.
c is the anwer of question
