Following is a set of four sentences. Choose the sentence which is most appropriate grammatically, semantically and logically.

• A. Young people frequently fall into the trap of assuming that the difficulties they face today are greater and more troublesome than those faced by previous generations.
• B. Young people frequently fall into the trap of assuming that the difficulties they face today are greater and troublesome than those faced by previous generations.
• C. Young people today are trapped by assuming that their difficulties are troublesome and more great than the previous generations.
• D. By assuming they face troublesome difficulties than the previous generation, young people today are frequently trapped.