Which of the Following Does Not Describe the Hypothesis That

Which of the following does not describe the hypothesis that changes in technology have altered the relative demand for skilled and unskilled labor?

A) Firms rely more on computer databases than on paper filing systems so there is an increased demand for high-skilled computer programmers.
B) Consumers can accomplish many simple banking tasks on an automated teller machine (ATM) rather than speaking to a bank teller so there is a decreased demand for low- skilled bank tellers.
C) Transponders in peoples' vehicles can be used to automatically deduct tolls from debit accounts, reducing the need for low-skilled toll collectors.
D) Improvements in technology have made tax preparation software easy for an average citizen to use, reducing the need for high-skilled accountants.