小明和几个同学在电影院看电影《哈利波特》时，不时大声喧哗，他们的行为是

A、违反民法的行为                

B、违反宪法的行为   

C、违反刑法的行为                

D、违反行政法的行为

A bridle for an ocean tow consists of（）.

A.two chains of equal length

B.a single nylon pendant rove through a heavy ring free to move on the pendant

C.two long legs of wire rope shackled to a fishplate

D.a single length of heavy chain with both ends secured on deck to welded pad eyes