Which One of the Following Statements Is False

Which one of the following statements is false?

A) As investment in human capital improves the quality and productivity of labour, labour produces less output per worker.
B) Human capital is defined as skills and knowledge embodied in workers.
C) Formal education and on-the-job training are two methods of increasing the stock of human capital.
D) Per capita output over the last 100 years has increased, in part, because of investment in human capital.