Answer:
Option A, Fluticasone
Step-by-step explanation:
The antagonist’s receptor of Leukotriene is montelukast, zafirlukast, and pranlukast and its inhibitors include zileuton and Hypericum perforatum are used to treat disease.
Fluticasone is a steroid medication which is used for treating asthma ,COPD, mouth ulcers and also as a nasal spray. It is not considered as a Leukotriene as it is not derived from the leucocytes. Leukotriene antagonists are non-steroid oral medication
Hence, option A is correct