Does anyone have any thoughts on how QR's revenue management works? I'm looking to book a companion ticket under the current offer ex-HKG, which books into D class. The flight I'm looking for currently has 1 D class ticket on offer from LHR-DOH-HKG. The combined journey show as follows in ExpertFlyer:

QR 2 LHR-DOH F8 P8 A7 J9 C7 D1 I0 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 G0 O9
QR 816 DOH-HKG J9 C8 D7 I0 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 G0 O9

So it looks like QR 2 is where the squeeze is. Looking at QR2 alone shows:
QR 2 LHR-DOH F9 P9 A9 J9 C9 D6 I0 Y9 B9 H9 K9 M9 L9 V9 S9 N9 Q9 G0 O9

With those load factors, is it likely that another D class ticket will be released on QR2 married to QR816? Or should I opt for another option instead?