In a U.S. national survey conducted in 2009, it was found that nationally, _____ percent of twelfth-graders reported being sexually active.
A. 70
B. 15
C. 49
D. 80
Answer:C
In a U.S. national survey conducted in 2009, it was found that nationally, _____ percent of twelfth-graders reported being sexually active.
A. 70 B. 15 C. 49 D. 80