Why have private and public traffic patterns changed as Toronto evolved as a World City?

Question $15$ options:

more commuters can take advantage of improved access to downtown Toronto's Central Business District $($CBD$)$

with the evolution of Edge Cities there are more options for locating residential and employment opportunities across the GTA

Ontario's Greenbelt is restricting travel outside of Toronto's urban shadow

the Edge and Outer Edge Cities continue to be car$-$dependent, lacking adequate public transportation and their own CBDs