【I’msorryAndydidn’twanttogototheconference.willingtogoI’msorryAndydidn’twanttogototheconference.________willingtogowewouldhavepaidallhisexpenses.A)BeingB)WasheC)HehadbeenD)Hadhebeen答案是D为什】

　　I’msorryAndydidn’twanttogototheconference.willingtogo

　　I’msorryAndydidn’twanttogototheconference.________willingtogowewouldhavepaidallhisexpenses.

　　A)Being

　　B)Washe

　　C)Hehadbeen

　　D)Hadhebeen

　　答案是D为什么不是A?总觉的选D有点不通