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

5, Which of the following statements about the last sentence in the passage is certainly true? a-The cost of the average robot is higher than that of a human worker. b-The cost of a human worker is higher than that of the average robot. c-Robots are becoming more and more expensive. d-Robots are becoming cheaper and cheaper. Question 2: Choose the best answer a, b, c or d.