This is a bit confusing as to what is the cause and what the effect is from the above problem statement.
Any help appreciated. Please note I am not interested in the answer as I did get it right but was a bit stuck with how the author classified as to what the cause and the effect were.

Any help appreciated.

Unlike newspapers in the old days, today's
newspapers and televised news programs are full of
stories about murders and assaults in our city. One
can only conclude from this change that violent
crime is now out of control, and, to be safe from
personal attack, one should not leave one's home
except for absolute necessities.
Which one of the following, if true, would cast the
most serious doubt on the conclusion?
(A) Newspapers and televised news programs have
more comprehensive coverage of violent
crime than newspapers did in the old days.
(B) National data show that violent crime is out of
control everywhere, not just in the author's
city.
(C) Police records show that people experience
more violent crimes in their own
neighborhoods than they do outside their
neighborhoods.
(D) Murder comprised a larger proportion of
violent crimes in the old days than it does
today.
(E) News magazines play a more important role
today in informing the public about crime
than they did in the old days.


Answer: A

Thnx.