The one that is widespread in mainland africa is also known as the monkeybread tree.
Plus there are only 8 species of boabab 6 of which are madagacar(ean/ic/oninan?) but they dont look anything like the picture imo. So there is no contest here. only similarity is a broad trunk. But the ones in the picture "adansonia grandidieri" are instantly recognisable.
The fact that there are other species of boabab does not even matter, it is a picture quiz, so the other species in mainland africa an australia are irrelevant anyway.