目前，在很多中学，老师和同学们的关系就像朋友一样，校园到处体现着平等，洋溢着快乐。所以如此，是因为师生之间平时能够做到

A．没有矛盾

B．相互帮助

C．有效沟通

D．距离适度

— Jack got drowned in the lake and was in hospital yesterday.

— Sorry to hear that.I'm told he often goes swimming alone________his mother's objection. [ ]

A. regardless of  

B. in case of

C. in view of  

D. instead of