Trend Technology Has Just Introduced a New Piece of Subliminal

Trend Technology has just introduced a new piece of subliminal software designed to give you a motivational boost. According to the text, if this product works at all, it is probably because

A) of pure luck
B) it actually influences your unconscious
C) it biases what we perceive on a conscious level
D) of overstated claims by the manufacturer
E) a demand characteristic