有三个用电器，分别为日光灯、电烙铁和电风扇，它们的额定电压和额定功率均为“220 V,60 W”．现让它们在额定电压下工作相同时间，产生的热量(　　)

A．日光灯最多

B．电烙铁最多

C．电风扇最多

D．一样多

----To build a factory is beneficial to the locals, but on the other hand, it will be not  environmentally friendly.

---- That’s_____ environmental protection organizations disagree.

A．what

B．where

C．how

D．which