Within the first quarter hour, the researcher sees that the intact RNA is found in the cells. After 3 hours, she is not surprised to find that

A) Dicer enzyme has reduced it to smaller double-stranded pieces. B) the RNA is degraded by 5′ and 3′ exonucleases. C) the double-stranded RNA replicates itself. D) the double-stranded RNA binds to mRNAs to prevent translation. E) the double-stranded RNA binds to tRNAs to prevent translation.