According to the passage, which of the following statements is NOT true?
选项：

A:As there exist weak parts in different departments of a firm, the training of its staff is highly necessary
B:A training specification is based on the information collected from a job description and a job specification
C: Training in using skills and learning about skills usually do not happen at the same place
D:It is easier to evaluate management training than to evaluate the training of workers and technicians