The canadian parliament’s two houses are
a. the house of representatives and the senate.
b. the house of commons and the senate.
c. the house of commons and the house of representatives.
d. the senate and the supreme court.

The Canadian Parliamement was shaped after the British one, which is why its lower house is called the House of Commons (rather than the House of Representatives, like in the US), but it's upper house is called the Senate, like in the US - the correct answer is B.