Many other criminologists blame political expediency and the need in recent years for all politicians to act tough on the issue of crime.

【正确答案】 A

【答案解析】解析：题干中expediency“私利”，选项中self-interest“私利”，contradiction“矛盾”， domination“统治”，manipulation“操纵”。选项A最接近题干意思。