—Did you watch the football final between China and Japan?

—Yes，but I would rather________.

A．not do that

B．not doing that

C．not have done that

D．hadn't done that

过剩煤气必须点燃放散，放散管管口高度应高于周围建筑物，且高于30米，放散时要有火焰监测装置和蒸汽或氮气灭火设施。（）