Choose the letter A, B, C or D to complete the passage below

Computers are helpful in many ways. First, they are fast. They can work with information even ___(1)___ than a person. Second, computers can work with a lot of information at the same time. Third, they can store information for a long time. They do not forget things that the common people do. ___(2)___, computers are almost always correct. They are not perfect, but they usually do not make mistakes.

Recently, it is important ___(3)___ about computers. There are a number of things to learn. Many companies have computers at work. In addition, most universities ___(4)___ day and night courses in Computer Science. Another way to learn is from a bok, or from a friend. After a few hours of practice, you can ___(5)___ with computers.