Congestion pricing, the practice of charging a fee for driving into the busiest areas of a city at the busiest times; it has more support from economists than do politicians.

A, at the busiest times; it has more support from economists than do politicians
B, at the busiest times, has more support among economists than among politicians
C, at the busiest times; it has more support among economists than among politicians
D, at the busiest times, has more support from economists than do politicians
E, at the busiest times, it has more support from economists than from among politicians