Which sentence includes an opinion that does not belong in an objective summary of the selection?
i
A. The author observes that e-learning is present everywhere, from kindergarten
to college.
B. The author points out that electronic devices are continually replaced by new
technology
O
C. The author notes that some e-books allow readers to make notes in the
margins like real books.
D. The authors states that in-person classes are better than online classes.