A GIS Researcher Needs to Create a Web Map in ArcGIS

A GIS researcher needs to create a web map in ArcGIS Online and share it to the public. The researcher must make sure that certain features in the map do NOT show, based on the values in a certain field in the attribute table. The end user should still be able to access this features if needed. How should the researcher perform this task?

A) Set a visibility range on the layer in the web map
B) Set transparency on the layer in the web map
C) Apply a filter on the layer in the web map
D) Change the style of the layer in the web map