Read this excerpt from Susan Butcher and the Iditarod Trail.
Which prediction is best supported by a detail in the
excerpt?
But the only really effective way to stop an epidemic
from spreading through the entire town was to
vaccinate people against it. The doctor had a small
amount of vaccine, or serum, but it was five years old
possibly useless—and would not go far. He must find
more.
The townspeople will not agree to be vaccinated
O The doctor will invent a serum to fight the disease.
O The disease will surprise everyone by not
spreading
The doctor will look for ways to obtain more serum.