What does the phrase “to take on” in the sentence “The company takes on only fifteen to twenty graduates each year and …” of the second paragraph mean? .

What does the phrase “to take on” in the sentence “The company takes on only fifteen to twenty graduates each year and …” of the second paragraph mean? .
A.To train
B.To employ
C.To interview
D.To maintain(A)
正确答案：B