gmatthat指代问题

OG-107

Whileitcostsaboutthesametorunnuclearplantsasothertypesofpowerplants,itisthefixedcoststhatstemfrombuildingnuclearplantsthatmakesitmoreexpensiveforthemtogenerateelectricity.

(A)Whileitcostsaboutthesametorunnuclearplantsasothertypesofpowerplants,itisthefixedcoststhatstemfrombuildingnuclearplantsthatmakesitmoreexpensiveforthemtogenerateelectricity.

(B)Whilethecostofrunningnuclearplantsisaboutthesameasforothertypesofpowerplants,thefixedcoststhatstemfrombuildingnuclearplantsmaketheelectricitytheygeneratemoreexpensive.

(C)Eventhoughitcostsaboutthesametorunnuclearplantsasforothertypesofpowerplants,itisthefixedcoststhatstemfrombuildingnuclearplantsthatmakestheelectricitytheygeneratemoreexpensive.

(D)Itcostsaboutthesametorunnuclearplantsasforothertypesofpowerplants,whereastheelectricitytheygenerateismoreexpensive,stemmingfromthefixedcostsofbuildingnuclearplants.

(E)Thecostofrunningnuclearplantsisaboutthesameasothertypesofpowerplants,buttheelectricitytheygenerateismademoreexpensivebecauseofthefixedcostsstemmingfrombuildingnuclearplants.

可是这里they指代costs,应该指代nuclearplants