听下面一段独白，回答以下小题。
【小题1】What is Akira Miyawaki?

A．A scientist.

B．A professor.

C．An officer.

【小题2】What is the benefit of the diversity of tree species according to the 2018 study?

A．Producing more oxygen.

B．Dealing with climate change.

C．Attracting different kinds of animals.

【小题3】What did the organization in Paris do?

A．It helped communities build 100 forests.

B．It taught people to grow their own mini forests.

C．It educated kids about tiny forests.

【小题4】What can we learn from the talk?

A．Mini forests are inspired by a French scientist.

B．Miyawaki has planted more than 1,000 forests in Japan.

C．Planting mini forests has become popular in Europe.