Answer:
b) They also think that online learning provides students an opportunity to develop technology skills that may be valuable for their future careers.
Explanation:
Online learning's flexibility and interactivity increase students' employability and prepare professors for the digital age. Some say it's better than the classroom.
This Sentence is written correctly.
The Climax comes after it
Number 2 is correct because this is an appositive sentence structure, which means one sentence is interrupted by another.
Hope I helped!