Airlines Have Made Major Efforts to Increase the Volume of Airfreight.Of

Multiple Choice

Airlines have made major efforts to increase the volume of airfreight.Of the following,which is NOT one of those major efforts?

A) They are developing better,more efficient ground facilities.
B) They are introducing airfreight containers.
C) They are providing marketing and a wide variety of special services to shippers.
D) They are offering incentives for pilots wishing to transport freight.
E) They are developing jumbo cargo planes and combination passenger and cargo aircraft.