It would have to be: Make sure that you have clearly explained what happened, how it happened, and why.
Explanation:
The Tide Rises, the Tide Falls. ... The morning breaks; the steeds in their stalls Stamp and neigh, as the hostler calls; The day returns, but nevermore Returns the traveller to the shore, And the tide rises, the tide falls.
I just took the test and I got it right. The answer is c. they both tell about someone important to the author.
