In her conclusion, Lori said, "Today we've learned that we all must take precautions against food-

borne diseases. The prime candidates are E. coli, botulism, and salmonella.

Your care in cooking and
storing food could make the difference between a healthy diet or a poisonous one." Lori's first sentence
serves what function?
A) summarizing the main ideas
B) signaling that the end is coming
C) making a final appeal
D) creating an aid to memory
E) providing an internal preview

B