80.關於高血鉀症合併心電圖變化( peaked T waves)，通常可能包括下列哪些處置？1. IV infusion calcium gluconate 2. IV infusion regular insulin combined with glucose 3. IV adenosine 4. alkali therapy with NaHCO3 5. volume expansion with IV saline
(A) 3
(B) 4
(C) 5
(D) 4