[单项选择] When they advise your kids to "get an education" if you want to raise your income, they tell you only half the truth. What they really mean is to get just enough education to provide manpower for your society, but not too much that you prove an embarrassment to your society. Get a high school diploma, at least. Without that, you are occupationally dead, unless your name happens to be George Bernard Shaw or Thomas Alva Edison and you can successfully drop out in grade school. Get a college degree, if possible. With a B. A, you are on the launching pad. But now you have to start to put on the brakes. If you go for a master’s degree, make sure it is an M. A. , and only from a first-rate university. Beyond this, the famous law of diminishing returns begins to take effect. Do you know, for instance, that long haul truck drivers earn more a year than full professor Yes, the average 1977 salary for those truckers was $ 24,000, while the full professors managed to average just $ 23
A. will not be a shame to the society
B. will become skilled workers
C. can take care of themselves
D. can meet the demands as a source of manpower