We asked both John and Jerry, but _____ could offer a satisfacto

We asked both John and Jerry, but _____ could offer a satisfactory explanation.
A、neither
B、either
C、both
D、nor
【正确答案】：A
【题目解析】：neither两者都不；either或者，要么；both两者都；nor也不句意：我们问了约翰和杰瑞，但两人都不能给出令人满意的解释。