A map of European rivers. Rivers are labeled 1, 2, 3, 4, and 5. 1 is in the United Kingdom. 2 is in Spain. 3 is in Germany. 4 is in Italy along the Swiss border. 5 extends from Romania to Germany.
All of the following rivers are labeled by a number on the map above except __________.
A. the Loire River
B. the Thames River
C. the Danube River
D. the Tagus River
