PT 29 S4 Q18

All actions are motivated by self-interest, since any action that is apparently ... ...

Which one of the following most accurately describes an error in the argument's reasoning?
(A) The term "self-interest" is allowed to shift in meaning over the course of the argument.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Flawed Reasoning" Questions, Set 3 - Mix (25Q)