Which of the Following Is Not an Example of Cultural

Which of the following is not an example of cultural diffusion?

A) A Celtic band from Newfoundland plays a concert in a small town in Alberta.
B) Matthew,a teenager living in Toronto,realizes that most of his favourite music groups are Canadian.
C) Angeline,an Italian-Canadian,is taught how to make lasagna by her grandfather.
D) Rob,a Canadian living in Vancouver,starts to attend yoga classes after reading a book about Buddhist meditation.