An annually conducted, nationwide survey shows a continuing

Question

An annually conducted, nationwide survey shows a continuing marked decline in the use of illegal drugs by high school seniors over the last three years.

Which of the following, if true, would provide most support for concluding from the survey results described above that the use of illegal drugs by people below the age of 20 is declining?

(A) Changes in the level of drug use by high school seniors are seldom matched by changes in the level of drug use by other people below the age of 20.
(B) In the past, high school seniors were consistently the population group most likely to use illegal drugs and most likely to use them heavily.
(C) The percentage of high school seniors who use illegal drugs is consistently very similar to the percentage of all people below the age of 20 who use illegal drugs.
(D) The decline revealed by the surveys is the result of drug education programs specifically targeted at those below the age of 20.
(E) The number of those surveyed who admit to having sold illegal drugs has declined even faster than has the number who have used drugs.

kripalkavi · Answer

My answer is C 
 

Since the percentage of high school students who use illegal drugs is declining and it is CONSISTENTLY simmilar to the percentage of people below the age of 20 who use drugs, the percentage of people below the age of 20 who use drugs is declining.

MA466 · Answer

I think it s B

myc2004 · Answer

I pick E. (A) Changes in the level of drug use by high school seniors are seldom matched by changes in the level of drug use by other people below the age of 20. (B) In the past, high school seniors were consistently the population group most likely to use illegal drugs and most likely to use them heavily. (C) The percentage of high school seniors who use illegal drugs is consistently very similar to the percentage of all people below the age of 20 who use illegal drugs. (D) The decline revealed by the surveys is the result of drug education programs specifically targeted at those below the age of 20. (E) The number of those surveyed who admit to having sold illegal drugs has declined even faster than has the number who have used drugs. Correct

zoom612 · Answer

I would go for C.
The conclusion will hold true if we can prove that people below the age of 20 are the high-school seniors.

vivek123 · Answer

It should be C

Only 'C' can be used to conclude about people below 20 years of age from the given survey results.

sherinaparvin · Answer

I'll go with C

Natalya Khimich · Answer

Agree with C. Shift of the scope question.

NTLancer · Answer

I think its C ...

it is the only one which creates a link between highschool seniors and people under the age of 20.

asaf · Answer

I know C is what most of us are picking, wonder how to elliminated D?

g_kansal · Answer

i choose D. Whats the OA

ColumbiaDream · Answer

C.

AimHigher · Answer

It is not D because 

D refers to all those below the age of 20... but how about high school seniors?

ColumbiaDream · Answer

Please do not forget to post the OA. I see several CR's who do not have an OA. I understand if you want to wait a little bit longer. 
Thanks- appreciate it. :-D

An annually conducted, nationwide survey shows a continuing

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