41 適用於眼用溶液或懸浮劑(Ophthalmic solution/suspension)之抗菌劑及其有效濃度，何項正確？
(A)氯化苯烴銨(benzalkonium chloride)，0.05%
(B)硝酸苯基汞(phenylmercuric nitrite)，0.5%
(C)氯丁醇(chlorobutanol)，0.5%
(D)乙酸苯基汞(phenylmercuric acetate)，0.001%