By Convention, the Sequence of Nucleotide Residues in a Nucleic $^\prime$

By convention, the sequence of nucleotide residues in a nucleic acid is written ___________ starting with the ____ end.

A) left to right; 3 $^\prime$
B) right to left; 3 $^\prime$
C) left to right; 5 $^\prime$
D) right to left; 3 $^\prime$
E) top to bottom; 3 $^\prime$