Which of the Following Details the Correct Sequence of Events

Which of the following details the correct sequence of events for RNA interference mediated by siRNA?

A) degradation of passenger RNA strand, binding of mRNA, formation of double-stranded RNA, cleavage by dicer, binding to RISC, cleavage of mRNA
B) binding to RISC, binding of mRNA, formation of double-stranded RNA, degradation of passenger RNA strand, cleavage by dicer, cleavage of mRNA
C) formation of double-stranded RNA, cleavage by dicer, binding to RISC, degradation of passenger RNA strand, binding of mRNA, cleavage of mRNA
D) binding of mRNA, formation of double-stranded RNA, degradation of passenger RNA strand, cleavage by dicer, binding to RISC, cleavage of mRNA
E) binding of mRNA, formation of double-stranded RNA, cleavage by dicer, degradation of passenger RNA strand, binding to RISC, cleavage of mRNA,