I feel the answer is C.Setting up a home network system. Here are a list of reasons why.
A.inventing computer applications.(Isn't right because it is just talking about computer apps.) B.creating new Internet sites. (this is more just stuff online and not needing to know about the rest of the computer system just to make a web site)
C.setting up a home network system.(you must know about everything from the router to the control panel and that what it is describing.)
<span>D.learning basic keyboarding skills.(all you need to now for this answer is just the keyboard stuff.)</span>
His satire is aimed at the "hypocrisy" of making an adventure appear more glorious than it was. He is trying to say that there is nothing glorious about war, there is only death and suffering, and it is definitely not a pretty sight.