Who killed Dumbledore?

[Martha Shaffer]

No: HPFGUIDX 145003


Orna:

"- DD's pleading to Snape reminds of his pleading in the cave, when he suffered the impact of the potion."

Martha:
forgive me if this was previously discussed, but I found that the entire scene about DD and Harry going to find the horcrux to be a foreshadowing of Snape/DD confrontation on the tower.

1. "I take you with me on one condition: that you obey any command I might give you at once, and without question"  HBP p550, US edition.  I feel he also gave Snape a similar directive.

2.  DD instructs Harry to perform an action that injures DD, for the "greater good" of defeating LV.  "it will be your job (Harry) to make sure I keep drinking, even if you have to tip the potion into my protesting mouth"  p.569.
I think that a similar conversation took place between DD and Snape, probably being the argument overheard by Hagrid.  

3. I think that the confrontation at the top of the tower was following the same theme as "injure me for the greater good".

I have noticed foreshadowing from other books- sorry, don't have the references now. Does anyone else feel that the cave sequence is a thematic forshadowing (I wasn't an english major, so I don't know if this is the correct term) of DD and Snape's relationship?

By the way, I am new to the group- been here about 1 week. My name is Martha, and I'm 40. Currently living in Augusta, GA, but from California.