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Difficulty—
Motorists in a certain country frequently complain
that traffic congestion is much worse now than it was
20 years ago. No real measure of how much traffic
congestion there was 20 years ago exists, but the
motorists' complaints are almost certainly
unwarranted. The country's highway capacity has
tripled in the last twenty years, thanks to a vigorous
highway construction program, whereas the number
of automobiles registered in the country has increased
by only 75 percent.
Which of the following, if true, most seriously weakens
the argument?
(A) Most automobile travel is local, and the
networks of roads and streets in the country's
settled areas have changed little over the last
20 years.
(B) Gasoline prices are high, and miles traveled per
car per year have not changed much over the
last 20 years.
(C) The country's urban centers have well-developed
public transit systems that carry most of the
people who commute into those centers.
(D) The average age of automobiles registered in the
country is lower now than it was 20 years ago.
(E) Radio stations have long been broadcasting
regular traffic reports that inform motorists
about traffic congestion.
that traffic congestion is much worse now than it was
20 years ago. No real measure of how much traffic
congestion there was 20 years ago exists, but the
motorists' complaints are almost certainly
unwarranted. The country's highway capacity has
tripled in the last twenty years, thanks to a vigorous
highway construction program, whereas the number
of automobiles registered in the country has increased
by only 75 percent.
Which of the following, if true, most seriously weakens
the argument?
(A) Most automobile travel is local, and the
networks of roads and streets in the country's
settled areas have changed little over the last
20 years.
(B) Gasoline prices are high, and miles traveled per
car per year have not changed much over the
last 20 years.
(C) The country's urban centers have well-developed
public transit systems that carry most of the
people who commute into those centers.
(D) The average age of automobiles registered in the
country is lower now than it was 20 years ago.
(E) Radio stations have long been broadcasting
regular traffic reports that inform motorists
about traffic congestion.
