Hi All,
Can someone please help me in the following question. The OA is [spoiler]"C"[/spoiler]. But I find Subject verb issue in [spoiler]"C"[/spoiler]. Please tell what I am missing here.
Many companies in the pollution control industry, which until a few years ago has prospered on account of a national concern for environmental controls, has recently experienced sharp drops in sales and profits.
A) until a few years ago has prospered on account of a national concern for environmental controls, has
B) up until a few years ago, when prospering on account of a national concern for environmental controls, have
c) until a few years ago was prospering because of a national concern for environmental controls, have
D) up until a few years ago have prospered because of a national concern for environmental control, has
E) until a few years ago had prospered because of a national concern for environmental controls, has
Thanks
Mohit
Can someone please help me in the following question. The OA is [spoiler]"C"[/spoiler]. But I find Subject verb issue in [spoiler]"C"[/spoiler]. Please tell what I am missing here.
Many companies in the pollution control industry, which until a few years ago has prospered on account of a national concern for environmental controls, has recently experienced sharp drops in sales and profits.
A) until a few years ago has prospered on account of a national concern for environmental controls, has
B) up until a few years ago, when prospering on account of a national concern for environmental controls, have
c) until a few years ago was prospering because of a national concern for environmental controls, have
D) up until a few years ago have prospered because of a national concern for environmental control, has
E) until a few years ago had prospered because of a national concern for environmental controls, has
Thanks
Mohit
