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 staff?

A) 25% North American,6% European,12% Asian
B) 49% North American,19% European,32% Asian
C) 28% North American,11% European,18% Asian
D) 53% North American,16% European,31% Asian
E) 58% North American,13% European,28% Asian