What's the author's attitude

A．The rate of killing has been accelerating.
B．The US government forbids imports of both raw and finished ivory.
C．They realised that the killing of elephants is a serious threat to their tourist business.
D．African people advocated an ivory ban.

A．It meets the needs of modem life.
B．It provides work opportunities for the laid-off workers.
C．It is a new industry.
D．Both A and