Answer the following questions according to the text.The famous Tower of London was built as a fortress by William the Conqueror. Early in the Middle Ages the kings used it as a palace; later on it was turned into a prison, but only distinguished prisoners, including statesmen and princes, were held there. Today the Tower is a national museum, where, among other things, the jewelry of the English kings and queens is on display. 1. It is obvious from the passage that the functions of the Tower of London _____. A) were all established by William the Conqueror. B) have always been controlled by the kings. C) have varied greatly over the centuries. D) are all of a military nature. E) have not changed at all since the Middle Ages. 2. We learn from the passage that the Tower _____. A) was not originally intended to be a fortress. B) was never a prison for ordinary people. C) is still a unique example of medieval architecture. D) was never a residence of English kings. E) functions today only as a jewelers museum. 3. William the Conqueror’s original purpose in building the Tower of London _____. A) was one of defense B) was to exhibit his valuable jewellery. C) was strongly criticized later in the Middle Ages. D) remains unknown even now. E) is still being debated among historians.