A Survey of Automobiles Parked in Student and Staff Lots

Multiple Choice

A survey of automobiles parked in student and staff lots at a large university classified the brands by country of origin,as seen in the table.
What is the conditional distribution of origin for students?

A) 53% North American,16% European,32% Asian
B) 25% North American,7% European,16% Asian
C) 53% North American,14% European,33% Asian
D) 53% North American,17% European,31% Asian
E) 28% North American,9% European,16% Asian