听下面一段独白，回答以下小题。
【小题1】How many teams were the teenagers divided into?

A．Four.

B．Six.

C．Eight.

【小题2】What did Ivy Thompson find hard at first?

A．Sticking to the original plan.

B．Learning to do film-making.

C．Talking to some teammates.

【小题3】What animals did Ivy Thompson meet near Discovery Island?

A．Killer whales.

B．Wolves.

C．Bears.

【小题4】What was Ivy Thompson’s favourite thing about the trip?

A．Making friends.

B．Seeing natural wonders.

C．Camping in the wild.