DNA Molecules Are Double-Stranded,whereas Most RNA Molecules Are Single-Stranded

DNA molecules are double-stranded,whereas most RNA molecules are single-stranded.Which of the following choices is the most likely reason that RNA does NOT need to be double-stranded?

A) DNA reproduces itself directly, whereas RNA does not.
B) RNA reproduces itself directly, whereas DNA does not.
C) DNA undergoes translation that requires the use of both strands at the same time.
D) RNA undergoes transcription that can only read one strand at a time.