GMAT/留學申請專業顧問 Donz 之資訊交流園地

Drawn Conclusion 的題型為 - 利用題目提供的資訊，選出合理的推論 (inference or conclusion)。由於題目資訊有限，所以此類題型的答案選項也相對保守，正確答案通常不會超出題目範圍太多的其他資訊。
在此先示範一個例子: 
Meteorite explosions in the Earth's atmosphere as large as the one that destroyed forests in Siberia , with approximately the force of a twelve-megaton nuclear blast, occur about once a century. The response of highly automated systems controlled by complex computer programs to unexpected circumstances is unpredictable.
Which of the following conclusions can most properly be drawn, if the statements above are true, about a highly automated nuclear-missile defense system controlled by a complex computer program?

Increases in the level of high-density lipoprotein (HDL) in the human bloodstream lower bloodstream cholesterol levels by increasing the body's capacity to rid itself of excess cholesterol. Levels of HDL in the bloodstream of some individuals are significantly increased by a program of regular exercise and weight reduction.
Which of the following can be correctly inferred from the statements above?
A. Individuals who are underweight do not run any risk of developing high levels of cholesterol in the bloodstream.
B. Individuals who do not exercise regularly have a high risk of developing high levels of cholesterol in the bloodstream late in life.
C. Exercise and weight reduction are the most effective methods of lowering bloodstream cholesterol levels in humans.
D. A program of regular exercise and weight reduction lowers cholesterol levels in the bloodstream of some individuals.
E. Only regular exercise is necessary to decrease cholesterol levels in the bloodstream of individuals of average.