He is envious of him because he gets to play soccer.
Answer: Option C.
Explanation:
In the story, when the narrator has an interaction with his son, it is one of the most important parts of the story. This interaction and conversation between the two is one of the most important plots for developing the story further in the sequence.
When the readers read this conversation between the father son duo, they can understand and infer that the the father is envious of his own son. The reason of this envy of the father from his son is that his son gets to play soccer.
