Which command flushes the level $1$ data cache from every vM entry in the virtualBox?

$($A$)-11$a$-$flush$-$on$-$vm$-$entry

$($B$)-11$b$-$flush$-$on$-$vm$-$entry

$($C$)-11$c$-$flush$-$on$-$vm$-$entry

$($D$)-11$d$-$flush$-$on$-$vm$-$entry