Only in recent years begun to realize that wild dogs, kept within bounds, often do more good than harm.
A. people have
B. since people have
C. have people
D. people who have
网友回答
A. people have
B. since people have
(答案→)C. have people
D. people who have
解析：这题考查倒装句的用法：only+介词短语，位于句首时，句子要部分倒装，即将be动词，情态动词，助动词放在主语前面，选C。