Of the following scenarios for future research,from which would you expect to gain most medical benefit from noncoding RNAs?

A)exploring a way to turn on the expression of pseudogenes
B)targeting siRNAs to disable the expression of an allele associated with autosomal recessive disease
C)targeting siRNAs to disable the expression of an allele associated with autosomal dominant disease
D)creating knock-out organisms that can be useful for pharmaceutical drug design
E)looking for a way to prevent viral DNA from causing infection in humans