Answer: This is my opinion so my "I say."
I say that cell phones aren't an effective educational tool because we get too distracted by them and this takes our attention away from the topic at hand. On the other hand, cell phones can be more than effective when it comes to educating, but before this students need to be disciplined so they do not get distracted while using them.
Explanation:
C. How are Bob and Derek getting there? Are they taking the car or the train?
This is the only sentence that is grammatically correct.
The central idea of that topic is the fact that there is a maturity factor of driving. As a driver myself you can tell who has been driving for a a decent amount of time and who is a new driver. So in conclusion it is just the fact of maturity
