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A new survey shows that 54 percent of Americans do not take prescription medicin

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A new survey shows that 54 percent of Americans do not take prescription medicin

A new survey shows that 54 percent of Americans do not take prescription medicines ________
though they are important to their health. [     ]A. as they instruct  
B. as were instructed
C. as to be instructed  
D. as instructed

试题答案

D