In DNA strand the nucleotides are linked together by

Explanation :

The DNA strand is the polynucleotides that are made up of nucleotides.

The DNA strands grow from 5’->3’ direction.

Two nucleotides are linked by a phosphodiester bond.

Glycosidic bonds are formed between the sugar moiety and nitrogenous base(adenine, guanine, cytosine, and thymine)

Peptide bonds are formed between the amino acids to form the polypeptides.

The hydrogen bond in DNA strands is formed between the two sugars.

The double hydrogen bond between adenine and thymine and triple hydrogen bond between guanine and cytosine.

Final Answer:

The correct answer option is B, phosphodiester bonds.