The correct option is B Neutrophils
Neutrophils are the most abundant type of white blood cells and they constitute 40% - 75% of WBCs.
Around 1% - 4% of WBCs are eosinophils, percentage of basophils is around 0% - 1% and that of lymphocytes is around 20% - 30%.
Thus, the correct answer is option (A), 'Neutrophils'.