Here Are Some Statistics and Some Regression Results Using GSS2006

Here are some statistics and some regression results using GSS2006 data:
Standard Deviations:
Hours per week respondent uses internet: 10.24
Education of respondent in years: 2.94
Age of respondent: 17.05
Live in Big City? (No=0, Yes=1) : .30
Regression Equation:
INTERNETHRS = .02 +.73 (EDUC) - .10 (AGE) + 1.95 (LIVEINCITY)
All slopes are statistically significant.
From biggest to smallest effect, which is the correct listing of the variables?

A) city, education, age
B) age, city, education
C) city, age, education
D) education, age, city