I’m no genius, but I’m pretty sure it’s C. Compare and contrast
Answer:
With report after report about accidents involving rides -- one that ... up for what could be another busy summer, the issue doesn't appear to be going away. Already, there have been a number of serious events this year.
The answer is "A anecdote is a brief story used to illustrate a point"
(in a online context) register approval of or agreement with (a post or poster) by means of a particular icon
