Research Shows That People Are Faster to Verify That SLAP

Research shows that people are faster to verify that SLAP is a word when it is preceded by SLANT compared to when it is preceded by CRAMP. Which of the following conclusions can be drawn?

A) People break words down and store them in terms of their morphemes
B) People break words down and store them in terms of their phonemes
C) People only use the rules of syntax and not semantics
D) People only use the rules of semantics and not syntax