Answer:
c.Calgary and Durban
Step-by-step explanation:
We have to remember that seasons are caused by the movement fo the earth and they are different in the hemispheres of the eart divided by the equator, when the north hemisphere of the earth is experiencing one season the south experiences the opposite season, if in the north is summer, south is winter, if it is spring, south is fall, so we just need form the options two cities located in different hemisphere, and Calgary, located in Canada, North Hemisphere, and Durban, South africa, located in the south hemisphere would be the correct option of cities that have opposite seasons.