Globally,on Average Test Scores of Eighth-Grade Math and Science Students,the

Globally,on average test scores of eighth-grade math and science students,the U.S.ranks (as of 2011) :

A) 5^th and 7^th,respectively.
B) 1^st and 1^st,respectively.
C) 9^th and 10^th,respectively.
D) 8^th and 6^th,respectively.