Which Statement About Antisense RNA and RNAi Is True

Multiple Choice

Which statement about antisense RNA and RNAi is true?

A) Antisense RNA and RNAi both block translation, but antisense RNA is generally preferred.
B) Antisense RNA and RNAi both block translation, but RNAi is generally preferred.
C) Antisense RNA and RNAi both block transcription, but antisense RNA is generally preferred.
D) Antisense RNA and RNAi both block transcription, but RNAi is generally preferred.
E) Antisense RNA and RNAi are different names for the same technique.