Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks 27 to 31

 People talk about the generation gap as a kind of division between young people and their parents. It is something (27) ________ is generally a problem when children enter their teenage years, and results in complaints on both sides. Parents, (28) ________, can often be heard to say that young people are disrespectful and disobedient and in addition, tend to be irresponsible when spending because they don't (29) ________ the value of money. Adolescents, on the other hand, complain that their parents don't understand them. What has gone wrong? One explanation lies in how society has changed. In the past, children would typically continue the way of life of their parents. In today's world, parents are very (30)________ for their children because they want them to achieve more than they did. The problem is that the children often don't agree with their parents' plans. Teenagers also reach maturity at an earlier age than they used to and want their independence sooner. The resulting conflict is painful to (31)________ sides.

 It is something (27) ________ is generally a problem when children enter their teenage years, and results in complaints on both sides.