人们是否已充分认识到吸烟会导致肺癌？的翻译：Whether people are fully aware that smoking can cause lung cancer? 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

It is fully aware that smoking causes lung cancer?

Whether people are fully aware that smoking can cause lung cancer?

Whether the people had realized fully can cause the lung cancer to smoking?

Whether or not people have been fully aware that smoking can cause lung cancer?

Whether people are fully aware that smoking can cause lung cancer?