单选题 Fighting corruption involves tackling those who offer ______ as well as those who take them.
A. contributions B. donations C. bribes D. bonuses

【正确答案】 C
【答案解析】本题测试词义辨析。contribute意为“贡献”;donation意为“捐献”;bribe意为“贿赂”;bonus意为“红利”。根据题意,C是正确的。