某一株凝固酶陰性之葡萄球菌，具有alkaline phosphatase，抗polymyxin B，但對novobiocin 及deferoxamine均敏感，則此菌最可能為：
Staphylococcus epidermidis
Staphylococcus hominis
Staphylococcus saprophyticus
Staphylococcus haemolyticus
