In Argentina in 2014, people first discovered Titanosaurs, ______ are dinosaurs.

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. In Argentina in 2014, people first discovered Titanosaurs, ______ are dinosaurs. They lived in the forests of Patagonia 100 million years_______ . People excavated one Titanosaur and moved it _______ New York. It is now in the American Museum _______ Natural History. The dinosaur is 37 metres tall and it _____ not even fit into the fossil hall. Its neck and its head run ________ the doorway into another room. Around five million visitors a year will see the skeleton of the__________ .