Which answer matches this clue: the Sardinian Bronze Age stone towers that give the Nuragic civilisation its name?

• A Trulli
• B Domus de janas
• C Tombe dei giganti
• D Nuraghi ✓

Over 7,000 nuraghi dot the Sardinian landscape; the largest, Su Nuraxi at Barumini, is a UNESCO site with a central tower once reaching nearly 20 metres.