第25题: [单项选择]The motivation of rapists is now (acknowledged) to be a more complex matter (than being) formerly believed; it (has come) to be widely accepted that rape is not (necessarily) the result of sexual desire. A. acknowledged B. than being C. has come D. necessarily 参考答案:B 答案解析:(改为:than was)than(the motivation which)was formerly believed,省略主语。