Although I guess in some ways , it affected every American indirectly . Today is a day that everyone who was old enough to remember and understand what happened that morning should know as the turning point in American history . I do n't think that this country will ever be the same .

Based on the preceding passage, choose your answer for question Which of the following may have caused the narrator 's feelings ?

a). The narrator is talking about America .
b). The narrator is talking about understanding Americans .
c). None of the above choices .
d). The narrator could be talking about 911 .
The answer is:
d).