society needs experts in different fields.\rC. violin-making requires as much skill as computer programming.\rD. people who can use a computer don't necessarily have to know computer programming.\r3. Learning to use a computer is getting easier all the time because\rA. programs are becoming less complicated.\rB. programs are designed to be convenient to users.\rC. programming is becoming easier and easier.\rD. programs are becoming readily available to computer users.\r4. The author)s purpose in writing this passage is\rA. to stress the impact of the computer on society.\rB. to explain the concept of computer literacy.\rC. to illustrate the requirements for being competent citizens of tomorrow.\rD. to emphasize that computer programming is an interesting and challenging job.