Read the sentence. I suggest that all dogs are vaccinated to prevent the spread of disease.

Which sentence correctly restates this idea without a shift in mood

It was suggested by me that all dogs are vaccinated to prevent the spread of disease.

I am suggesting that all dogs are vaccinated to prevent the spread of disease.

I suggest that all dogs be vaccinated to prevent the spread of disease.

I suggest that all dogs were to be vaccinated to prevent the spread of disease.