阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。
Can one man make a difference? Ask Rossano Ercolini, the 2013 Goldman Prize winner, which is considered the Nobel Prize for “________”. Ercolini is a young ________ in a small town in Italy. After ________the news of reducing waste on the radio, he decided to teach his students to  ________  paper and replace plastic water bottles in the school lunchroom with ________  glasses.
When his town announced plans to open an incinerator （ 焚化炉） to burn waste, Ercolini knew it would be  ________  for his students. Incinerators are huge heaters that burn all waste and poisonous material, leaving behind ________. You might think it is ________ than sending waste to landfills. It is true landfills  ________  space, smell bad, and that poisonous materials can make underground drinking water ________ to use. But incinerators have their own________. Burning gives off poisonous gases into the air which can cause ________  problems. People will have to wear a mask no matter ________ they go. The smoke also causes pollution, and even  ________ the greenhouse effect.
Ercolini was worried about the ________ of his community and felt it was his duty to ________  them. He organized town hall meetings, and talked about how to reduce, reuse and recycle. ________ , Ercolini has advocated the zero-waste movement, the  ________  of which is to reduce the waste sent to landfills and incinerators to the least possible amount. He has already ________  plans for more than 50 incinerators in many Italian cities. ________  his efforts, there are more than one hundred zero-waste towns in Italy now!

A．Peace B．Environment C．Medicine D．Literature

A．teacher B．farmer C．trainer D．gardener

A．watching B．reading C．hearing D．making

A．fold B．roll C．tear D．recycle

A．coloured B．reusable C．thick D．valuable

A．harmful B．necessary C．suitable D．convenient

A．rock B．sand C．water D．ash

A．worse B．harder C．better D．further

A．add B．fill in C．create D．take up

A．unsafe B．simple C．regular D．illegal

A．difficulties B．disadvantages C．expectations D．improvements

A．heart B．hearing C．breathing D．weight

A．why B．when C．how D．where

A．reduces B．worsens C．suffers D．measures

A．health B．development C．justice D．employment

A．praise B．support C．educate D．entertain

A．Anyhow B．However C．Otherwise D．Moreover

A．goal B．reason C．truth D．problem

A．discussed B．defeated C．prepared D．suggested

A．Along with B．Except for C．Thanks to D．Instead of