An Australian man, who______for years, finally discovered the cause of his backa

游客2023-10-20  23

问题 An Australian man, who______for years, finally discovered the cause of his backache last month.

选项 A、suffers
B、has been suffered
C、is suffering
D、has been suffering

答案 D

解析 句意:一个澳大利亚人,受到背痛折磨多年,终于在上个月发现了病因。由于这个澳大利亚人在过去遭受了折磨,并对现在仍然有持续性影响,将继续持续下去,所以选择现在完成进行时。故正确答案为D。
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