$[5\%]$ Given an AVL tree as follows, we perform the operations $($A$),($B$),($C$),($D$)$ and $($E$),$ independently.

Which of these operations would result in the tree to be unbalanced, and shall be restructured?

$($A$)$ insert $18$

$($B$)$ insert $33$

$($C$)$ insert $38$

$($D$)$ delete $35$

$($E$)$ delete $22$