单选题 It took the jury just ten minutes to find the 58-year-old balding civil servant not guilty of murder, but guilty of manslaughter ______ diminished responsibility.

A. on the grounds of
B. with regard to
C. in respect of
D. in opposition to

【正确答案】 A

【答案解析】句意：陪审团只用了十分钟就裁定这位58岁的谢顶公务员基于精神失常过失杀人，而非蓄意谋杀。on the grounds of以…为理由，根据。with regard to关于；就。in respect of关于。in opposition to反对。diminished responsibility(由于精神失常)减轻的刑事责任。