If the Protein Dicer Is Not Functioning,then Which Kind of Posttranscriptional

Multiple Choice

If the protein Dicer is not functioning,then which kind of posttranscriptional gene regulation is most likely affected?

A) only microRNA miRNA) ,but not small interfering RNA siRNA
B) alternative adenylation
C) alternative splicing
D) microRNA miRNA) and small interfering RNA siRNA
E) small interfering RNA siRNA