It can be inferred from the passage that "most scientists" assume which of the following c

oncerning "innate reactions" (line 15)？

A．Innate reactions to smells do not include the stimulation of the trigeminal nerve per say.

B．Only smells which have not previously been paired with emotional experiences trigger innate reaction.

C．Irritating smells are the only ones which are considered likely to produce innate, or unlearned, reactions.

D．Most subjects can distinguish between pure odor sensation and trigeminal nerve sensation enough to determine which reactions are innate.

E．Innate reactions are produced when the trigeminal nerve catalyzes an emotional experience.