While Researching the Reasons for the Large Cross-Cultural Differences,Stevenson and His

Multiple Choice

While researching the reasons for the large cross-cultural differences,Stevenson and his colleagues observed that more than _____ of total classroom time in the first grade was spent on math instruction in Japan,compared with only _____ of the time in the U.S.first-grade classrooms.

A) one-fourth; one-tenth
B) three-fourth; two-third
C) half; two-third
D) one-third; one-fourth