Under Maximum Power Transfer Conditions, Which One Is True

Under maximum power transfer conditions, which one is true?

A) The algebraic sum of all resistances in the source equals the algebraic sum of all the resistances in the load.
B) The equivalent load resistance is very large compared to the equivalent of the source.
C) The Thevenin resistance of the source equals the equivalent resistance of the load.
D) The equivalent load resistance is very small compared to the equivalent of the source.