题目

A young Dutch inventor is widening his effort to clean up floating(浮动的) plastic from the Pacific Ocean. He has developed a floating device(设备) to trap plastic waste moving into rivers before it reaches the oceans.Boyan Slat was just 18 years old when he invented a system for catching waste in the ocean. He also founded an environmental group called “The Ocean Cleanup”. Its purpose is to develop the system. Last year, Slat showed the next step: a floating device called Interceptor. It removes plastic out of rivers. The device is powered by energy from the sun. “The 1,000 rivers 超细的铁微粒是一种纳米颗粒型材料，可在低温下将二氧化碳分解为碳．下列推测不合理的是（　　）A．该反应属于化合反应B．该反应有助于减少温室气体的排放C．该反应的另一种产物可能是氧气D．超细铁微粒在反应中可能作催化剂