Average $\RpPb$ of prompt $\Dzero$, $\Dplus$ and $\Dstar$ mesons as a function of $\pt$ compared to D-meson $\Raa$ in the 20% most central and in the 40-80% Pb-Pb collisions at $\sNN$=2.76 TeV. Statistical (bars), systematic (empty boxes), and normalization (full boxes) uncertainties are shown.