Hi there. Sorry to bring old topic up but for filmarik:
For the first one I would go with D.
Number 2 would be B.
MZFM is a regulatory limit so 1 must be correct.
The maximum DLL for ac is +2,5g, so +3,5 is out of limits.
3 is correct since bending moments are greatest at wing root. Adding mass like engines and fuel, decrease these moments so 3 is correct. From there you can work it out if 1&3 is correct then 5 must be correct and that is also true. Fuel is used from center towards the wingtip in all conditions.
Please correct if I'm wrong.