Qn:253
(A) just as polio vaccine is given to every person to protect the few who might actually contract polio
(B) like polio vaccine, which is given to every person to protect the few who might contract polio
(C) similar to polio vaccine which is given to every person in order to protect the few who might actually contract polio
(D) while, to protect the few who might actually contract polio, polio vaccine is given to every person
(E) similar to the giving of polio vaccine to every person in order to protect the few who might contract polio actually
Official Answer: A