Hermione must be stopped/Snape's half truths in "Spinner's End"

[houyhnhnm102]

No: HPFGUIDX 149511

houyhnhnm:
 
> If he began to answer that accusation immediately, 
> he would be on the defensive.

houyhnhnm:

My mistake.  He does answer Bella's charges first.  But

"Bellatrix stilled looked unhappy, though she appeared unsure how best
to attack Snape next."

He needs to hammer his point home.  I still think he cut Narcissa off
with an accusation of disloyalty because it appeared to him the only
safe course of action at that moment.