Answer:
C. would be correct
Explanation: examples reasons and facts are all important to a supporting detail but transitions is not as important
Agreed because the other ones wouldn't make sense
The author's argument would be most effectively strengthened by using reliable sources and precise data. Without any cold hard facts, all of these points that the author has provided may be considered assumptions, so with facts and reliable sources, the information will be much more reliable.
This may be false at least from my point of view
