Change the voice: The rising gale fanned the smouldering fire.

The smouldered fire was fanned by the rising gale.

The smouldering fire was fanned by the rising gale.

The smouldering fire is fanned by the rising gale.

None of these

The smouldering fire was fanned by the rising gale.

Simple past tense "fanned" changes to passive "was fanned."

The object "the smouldering fire" becomes the subject in passive voice.