【单选题】Excerpt 1 Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didnt know for sure.That the evidence was inconclusive , the science uncer...
A.
there was no scientific evidence of the correlation between smoking and death
B.
the number of early deaths of smokers in the past decades was insignificant
C.
people had the freedom to choose their own way of life