Grandma said “_____” to the girl.

The correct answer is: Thank you

Grandma said thank you to the girl. Because, the picture shown here is that the girl is helping grandma to cross the road. Since she helps her, in a friendly manner, grandma thanks her. This is a genuine word to make others happy for helping us. We should make them feel bliss so that they will help others for the next time. Helping tendency should come from the depth of the heart. The good quality of showing gratitude is thanking them for small things too.