题目:
When Medicare was enacted in 1965, it was aimed at the prevention of a catastrophic illness from financially destroying elderly patients.
选项:
A、at the prevention of a catastrophic illness from financially destroying elderly patients
B、at being a preventive against catastrophic illness financially destroying elderly patients
C、at preventing a catastrophic illness from financially destroying the elderly patient
D、to prevent a catastrophic illness financially destroying an elderly patient
E、to prevent elderly patients being financially destroyed by a catastrophic illness
答案:
C