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Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what

Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what

Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what

Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what

Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what