She gave a great performance at the festival. We now know she has artistic talent

A. But for her great performance at the festival, we wouldn't know about her artistic talent now.

B. Amazing as her artistic talent is, we don't know about her great performance at the festival.

C. Although she gave a great performance at the festival, we know she has artistic talent.

D. Hardly had we know about her artistic talent when she gave a great performance at the festival.