题目内容:
Thethirdparagraphmainlytellsusthat_________. A.anetworkofcentershasbeenquiteeffectiveinreducingsuicide
B.anetworkofcentershasbeenquitesuccessfulinreducingsuicide
C.peoplearemakingeffortstohelpthosewhotendtocommitsuicideandinaway,theyaresuccessful
D.intheUnitedStates,peoplewhowanttocommitsuicidecallanetworkofcenterstogethelp
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答案解析: