The correct option is D Noncoding strand
The non-coding DNA sequence is the part of DNA which donot encodes for any protein. The non-coding DNA sequence may lead to formation of functional RNA which donot encodes protein for example, t-RNA and ribosomal RNA. Both of them are functional, but they donot encode the protein. Some of the non-coding regions, like introns undergoes splicing.
So, the correct answer is option D.