With Respect to How MiRNAs Work, Which, If Any, of the Following

Multiple Choice

With respect to how miRNAs work, which, if any, of the following statements, is false?

A) An miRNA is initially composed of two RNA strands, a passenger strand that will be destroyed and a complementary RNA, the guide strand, that is required for it to work.
B) an active miRNA regulates target protein-coding genes by binding to complementary sequences in the mRNA
C) A single miRNA normally binds to transcripts from just one target gene
D) A single type of mRNA can be regulated by multiple different miRNAs.