Chinese Speaking Children Have Longer Digit Spans Than English-Speaking Children

Chinese speaking children have longer digit spans than English-speaking children because

A) The digits 1 through 9 can be articulated more rapidly in Chinese than in English.
B) The Chinese language is a less-complex language than English.
C) Chinese people place a greater emphasis on education than English-speaking countries.
D) Chinese people generally have a greater memory capacity than English-speaking children.