Answer:
D. All of the above are correct
Step-by-step explanation:
Bluegriffon is a processor of text and webpage designer that is used as a free software but has different characteristics and capabilities for the premium user, in order to make graphics ADA accsible you have several options within Bluegriffon, but one of them would be typing in alternate text, type in a tooltip, or make the file name descriptive, so the correct option would be all of the above.