C. Not knowing that it was for the last time.
Basically, this bit is foreshadowing Daedalus' and Icarus' last moments together.
This is an example of a cause and effect relationship.
We are being asked to declare a variable, thus, we can use "PrintWriter" that is suitable for referring to an object that provides methods for writing to a text file.
On how to use it, we can define it such as
Output.printIn ="hi";
output.close;
I haven't read the book, but it seems like he wants to earn Fortunato's trust so he can easily get his revenge in the end.
You shouldn't know what an oiji board is at your age....