Distress signals may be（）.

A.red flares

B.smoke signals

C.sound signals

D.Any of the above

烟花爆竹零售单位不得（）烟花爆竹经营许可证。

A.转让、买卖、出租、出借、冒用或者伪造

B.转让、出租、出借、冒用或者伪造

C.转让、买卖、出租、冒用或者伪造

D.转让、买卖、出租、出借