Spence Just Received His IQ Report,and His Full-Scale IQ Is

Multiple Choice

Spence just received his IQ report,and his Full-Scale IQ is 110.The tester tells him that his score must be considered in context;that is,his IQ is a comparison of his score to the scores of

A) people of all ages in Canada.
B) everyone in North America over the past 100 years.
C) the scores of people in all countries and of all ages.
D) all his peers (people who are about the same age) .