In What Way Is the Government of Canada Similar to That

In what way is the government of Canada similar to that of the United States?

A) Both countries have a federal system in which power is shared between the national,state,and local governments
B) Both countries have a unitary system in which power is centralized in the national government
C) Both countries have a parliamentary system in which the executive branch derives its power from the legislative branch of government
D) There is little similarity because Canada is a constitutional monarchy