题目内容：
根据下列材料，请回答题Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered36 to 40. For each question or statement there are 4 choices marked A., B., C.and D . . You should make the correct choice and mark the corresponding letter on the Answer Sheet with a single line through the center.
Suicide has been a cause of concern in most societies for a long time. The classical Greeks, for example, required people who wanted to kill themselves to get permission from the senate. While this law is not without humor by today' s standards, it clearly shows an awareness of the problem in times gone by. In today' s society, suicide is much more prevalent than we want to admit. Why do people try to take their own lives.
The motives for suicide can be categorized into areas such as failure, wrath, the need for attention, stress, and so on. However, the qualities of a person who wants to take his own life change from person to person, making it difficult to depict (描写. the typical victim. To make the problem even more involved, people will often camouflage (掩盖. their true feelings, thus causing their friends to disregard problems that should be viewed as serious,
In the U. S. , a network of centers has been created to attempt to prevent suicides. People who are bitter, worried, or depressed are encouraged to contact workers at these centers. These workers, often trained volunteers, offer benevolent advice to the callers, trying to help the callers to see that suicide as a solution to problems is an illusion. The accomplishments of these centers, in so far as their effectiveness to reduce suicide is concerned, are minimal. However, they have helped a lot of people with a variety of problems. So, in the some what amorphous (难以名状的. area of man helping his fellow man, they are certainly a success.
Which of the following arguments is TRUE according to the article? A．The classical Greeks did not know the existence of suicide.
B．Suicide has always been prevalent in all parts of the world.
C．In today' s society, there are quite a number of people who commit suicide.
D．Nowadays suicide is not as common as it was in the past.
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