【请教】几道高中英语语法选择题（主要非谓语）,请帮忙解析一下,小弟不胜感激,灌水勿入,在线等答~

【请教】几道高中英语语法选择题（主要非谓语）,请帮忙解析一下,小弟不胜感激,灌水勿入,在线等答~
1._______ all night in such cold weather caused her to suffer from a high fever and terrible cough.(正解A 错选D)
A.Betty's working B.Betty to work C.Betty worked D.Betty working
2.Jackson knew he would surely get________if he went to work late again.（正解B 错选D）
A.shouting at B.shouted at C.to shout at D.to be shouted at
3.The problem of carbon emissions________at the Durban Climate Conference last month has aroused the punbic's wide concern again.（正解B 错选D）
A.to be discussed B.being discussed C.having discussed D.having been discussed （这道题能否帮忙辨析一下现在分词与动名词,本人经常错这类题）