The underlined word "event" ( Paragraph 1 ) refers to______.

A．Telling people how serious the damage caused by landslides is.
B．Telling people that sending workers to stabilize mountainsides is a risky job.
C．Introducing a product that can be used to stabilize mountainsides.
D．Showing people how to use a new product.

A．it must be trained so that it won't bite
B．it demands more food and space
C．it needs more love and care
D．it must be looked after carefully