【正确答案】 C

【答案解析】解析：apply(to)vt.应用，运用(如：Would you apply that rule to everyone? The term is rarely applied to animals．The rules of safe-driving apply to everyone．)。introduce(into)vt．引进，传入。practise／一ice vt．执行；从事；练习，实习。adopt vt．采取，采用。