WhichofthefollowingisnotmentionedasWTO'sobjective?
A、Tofacilitate,intravel,people'saccesstoeducationandculture
B、Toactasaninternationalagencyofcoordinationandcooperationtospreadtourism
C、Toavoiddiscriminationbetweencontractingcountries
D、Toimprovetheconditionsofcountrydwellersandsotocontributetoanexpandingworldeconomy