In virtually any industry, technological improvements increase labor productivity, which is the output of goods and services per person-hour worked. In Parland's industries, labor productivity is significantly higher than it is in Vergia's industries. Clearly, therefore, Parland's industries must, on the whole, be further advanced technologically than Vergia's are.

The argument is most vulnerable to which of the following criticisms?

• AIt offers a conclusion that is no more than a paraphrase of one of the pieces of information provided in its support.  
• BIt presents as evidence in support of claim information that is inconsistent with other evidence presented in support of the same claim  
• CIt takes one possible cause of a condition to be the actual cause of that condition without considering any other possible causes.  
• DIt takes a condition to be the effect of something that happened only after the condition already existed.  
• EIt makes a distinction that presupposes the truth of the conclusion that is to be established