You are creating a Virtual Earth 6.0 map. The map displays a pop-up box. You call the ClearInfoBoxStyles method. You need to set the fill color of the pop-up box to yellow.
Which Cascading Style Sheet (CSS) class should you use?

A.
.customInfoBox-body { color: Yellow; }

B.
.customInfoBox-body { background-color: Yellow; }

C.
.ero .ero-previewArea { color: Yellow; }

D.
.ero .ero-previewArea { background-color: Yellow; }