A. is the answer because an allegory is a story restricted to 1 meaning because of a specific idea. Irony is when something happens and its the opposite of what is expected.
Although you did not present the article to which this question refers, we can say that it allows the author of the article to present the male gender as the most affected in relation to the interaction of adolescents with media similar to online and electronic games. In this case, this information promotes statistical evidence, which helps the author to reformulate the argument about how genres are affected by the media in different ways in relation to the content they provide.
The Apollo 13 was the 3rd mission to land the moon. The explosion of the oxygen tank effected this because the crew was forced to orbit the moon and land safely back to Earth without landing on the moon