thE yEArs AFtEr 1812 wErE rElAtivEly unproDuCtivE BECAusE ______.
A．hE FElt gooD in his romAntiC rElAtionships
B．hE rEAlizED thAt his hEAring wAs CompromisED
C．hE FElt inADEquAtE to CrEAtE morE musiCAl piECEs
D．hE wAs vEry low in spirits