With Regard to the Constitution of Canada, Which of the Following

With regard to the Constitution of Canada, which of the following is true?

A) Our Constitution provides for a single system of government.
B) The Constitution Act, 1982 provides which matters can be dealt with only by the federal government.
C) The British Parliament can continue pass legislation that affects Canada's laws.
D) The Constitution Act, 1982 contains a Charter of Rights and Freedoms that curbs the power of the federal and provincial legislatures.
E) Federal judges have been given the sole power to amend the Charter of Rights and Freedoms.