单项选择题Which of the following means is NOT mentioned in the passage when recruiting staff outside the company A) Consultants. C) Advertisements. B) Examinations. D) Commercial employment offices.
单项选择题A.They built the pyramids with the help of ancient machines.B.They built the pyramids with only human labors.C.They built the pyramids with the help of aliens.D.It is still unknown now.