Some users have requested tests for IE s float double margin bug, and support for position:fixed. Which API is suitable for them?

Some users have requested tests for IE s float double margin bug, and

1.	Some users have requested tests for IE s float double margin bug, and support for position:fixed. Which API is suitable for them?
A.	testAllProps() Plugin API
B.	mq() media Plugin API
C.	addTest() Plugin API
D.	All of above
E.	None of these
Answer» D. All of above