Critical Reasoning

For the purpose of stimulating innovation
at TechCorp, one of the company's
long-standing goals has been to obtain at
least 50 percent of its annual revenues
from sales of products that are no more
than three years old. Last year, TechCorp
achieved this goal, despite the fact that the
company introduced no new products
during the year.
Which of the following, if true, best
explains the results described above?
A. None of the company's competitors
introduced any new products during
the last year.
B. Scientists at the company report that
they are close to breakthroughs that
should result in several new products
during the coming year.
C. Sales of some of the company's older
products were discontinued during
that last year.
D. The company has introduced very few
new products during the last three
years.
E. Company spending on research and
development has increased sharply
over the past five years.