What scale do i use to improvise over an E D A B progression?

Question

im trying to figure out wich scale to use for improvising over an E D A B progression.

Answer 1

Personally, I'd solo in E, the key you're playing in. Just try it.

Kabum

Answer 2

I'd say D major or A major would work best. Then again I've been teaching myself music theory for only like 2 months =/

Edit: A major definitely.