The reason why the boy's father doesn't tell the boy to leave is : C. The father is unconsciousI think it's pretty much self-explanatory. No father will let danger come to his son if he can help it
This is what it would look like with 4 rows:
xxxxxxxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
That is 4 rows by 12 columns, making 48 tiles.
That means there are 2 tiles leftover.
Conversation is the answer
hope it helped