WHICH ONE OF THE FOLLOWING STATEMENTS ABOUT THE LAST SENTENCE IN...

114. Which one of the following statements about the last sentence in the passage is certainty

true?

A. Robots are becoming cheaper all the time.

B. The cost of a human worker is higher than that of the average robot.

C. Robots are becoming more expensive all the time.

D. The cost of the average robot is higher than that of a human worker.