Answer:
The most persistent rivals were Poseidon, the sea god, and Athena, the goddess of wisdom. To solve their dispute, Zeus decided that each of them would make a gift to the city and king Cecrops would decide which gift was the best and therefore which god would be the patron of the city.
In what story does this question refer to?
Answer:
Held Up
Explanation: If we take each option and place it in the blank of the sentence, we can see which one makes the most sense.
A. The train was <em>held back</em> by a heavy snowfall.
B. The train was <em>held out </em>by a heavy snowfall.
C. The train was <em>held off </em>by a heavy snowfall.
D. The train was <u>held up</u> by a heavy snowfall.
I'm not the greatest at grammar, but I think the very first one is incorrect. It should just be a comma, then the second just a comma as well, but the last one is correct. (I have no idea, I am sorry if you get it wrong.)