（A） which makes substituting alcohol distilled from cereal grain attractive
（B） which makes substituting the distillation of alcohol from cereal grain attractive
（C） which makes distilling alcohol from cereal grain an attractive substitute
（D） making an attractive substitution of alcohol distilled from cereal grain
（E） making alcohol distilled from cereal grain an attractive substitute
14.Beyond the immediate cash flow crisis that the museum faces， its survival depends on if it can broaden its membership and leave its cramped quarters for a site where it can store and exhibit its more than 12，000 artifacts.
（A） if it can broaden its membership and leave
（B） whether it can broaden its membership and leave
（C） whether or not it has the capability to broaden its member ship and can leave
（D） its ability for broadening its membership and leaving
（E） the ability for it to broaden its membership and leave
15.There is ample evidence， derived from the lore of traditional folk medicine， that naturally occurring antibiotics are usually able to be modified to make them a more effective drug.
（A） are usually able to be modified to make them a more effective drug.
（B） are usually able to be modified to make them more effective drugs
（C） are usually able to be modified， which makes them more effective drugs
（D） can usually be modified to make them a more effective drug
（E） can usually be modified to make them more effective drugs
