Considering how new it is having powers like that, that's still not a lot of time to figure out what they are. Kind of like growing a new limb - it takes some time to get used to, and even after you do, you still discover new things you can do with it.

[There's a small pause, before:]

Did you not expect to get those powers? You said you couldn't fathom what the results were... [It's tentatively worded, as if to give Wanda an out here; she doesn't have to answer if she doesn't want to.]