Despite the relentless pursuit of fitness portrayed by the media, the population of the nation is, on average, plumper

Despite the relentless pursuit of fitness portrayed by the media, the population of the nation is, on average, plumper than was the population 30 years ago. By 2008, the average adult is 11 pounds heavier than was the average adult in 1978.

Which of the following is an assumption underlying the argument above regarding today's average adult?

A) Today's average adult is not substantially overweight.
B) Today's average adult is trying to lose weight.
C) Today's average adult eats healthier food than did the average adult of the past.
D) Today's average adult is not older than was the average adult of the past.
E) Today's average adult is not significantly taller than was the average adult of the past.



OA E

Source: Economist Gmat