【C16】
A. In response to
B. In relation to
C. In contrast to
D. In addition to
【C19】
A. under way
B. on track
C. in accord
D. at odds
【C18】
A. occupations
B. employees
C. companies
D. careers
【C8】
A. depend on
B. concentrate on
C. yield to
D. correspond to