Larry Tells You That His 10-Year-Old Cousin Recently Completed an Intelligence

Larry tells you that his 10-year-old cousin recently completed an intelligence test that translated raw scores into deviation IQ scores.Larry knows that her score was 120,but he is not sure what this means.What could you tell him about his cousin's performance

A)  She answered 120 questions correctly on the test. 
B)  She scored above the mean for 10-year-olds. 
C)  She scored at the mean for the average 12-year-old. 
D)  She is at the 120th percentile for intelligence.