試題詳解

38. There are 22 percent of students under age 21 classifying themselves as heavy drinkers because _____.
(A) students over age 21 love drinking too much
(B) students under age 21 tend to challenge current drinking-age laws
(C) students under age 21 suffer from alcohol intoxication in childhood
(D) students over age 21 do not go to taverns and pubs as frequently as students under age 21 do