Task: Misc.
Input (English): Question: A *** *** prevent a serious disease. When a *** *** is ***, it is *** to a *** *** of people. Why would it be *** to *** each *** on a *** *** of *** before every*** *** have one?  (A) to figure out how much the vaccine is worth (B) to determine how the vaccine will affect people (C) to understand how that disease affects the human body (D) to find out how many people are affected by the diseas.
Output (English): E.