PREP-1-44 破解版的分析不太理解，多谢指点！

44.   (26787-!-item-!-188;#058&002971[BryanZhou1] )

Scientists at the Los Alamos National Laboratory have succeeded for the first time in mining heat from the Earth's interior and producing energy on a commercial scale, enough for efficient generation of electricity and heating factories and homes.

(A) and producing energy on a commercial scale, enough for efficient generation of electricity and heating

(B) and producing enough energy on a commercial scale for electricity to be generated efficiently and to heat

(C) for energy production on a commercial scale, enough for generating electricity efficiently and to heat

(D) to produce energy on a commercial scale, enough for generating electricity efficiently and for heating

(E) to produce enough energy on a commercial scale for efficient generation of electricity and heat

(E) to produce enough energy on a commercial scale for efficient generation of electricity and heat

to是可以省略的，如果不省略，则E

 Scientists have succeeded for the first time in mining heat from the Earth's interior to produce enough energy on a commercial scale for efficient generation of electricity and
                (to)heat factories and homes.科学家第一次成功地采集地人来produce...来heat工厂和家庭。逻辑意思不对，科学家是第一次...produce,但不是第一次heat 工厂和家庭