下列离子方程式不正确的是

A．Al³⁺+4OH^—=AlO₂^—+2H₂O

B．Al³⁺+3NH₄·H₂O=Al(OH)₃↓+3NH₄⁺

C．Al(OH)₃+ NH₄·H₂O = AlO₂^—+ NH₄⁺+2 H₂O

D．AlO₂^—+CO ₂+2H ₂O= Al(OH)₃↓+HCO ₃ ^{—[来源:学&科&网Z&X&X&K]}

— Don’t put the waste on the ground, young man.

— Oh, I’m sorry. I ______ the dustbin there.

A．hadn’t seen

B．haven’t seen　

C．didn’t see

D．wasn’t seeing