With the delivery date only a few days away, I was totally a

With the delivery date only a few days away, I was totally at a loss...下列选项应选哪一项，为什么
With the delivery date only a few days away, I was totally at a loss and wish that my friend ( ) still with me.
A were B would be
为什么选A不选B
WISH后如果是不太可能实现的愿望，用B不是也可以吗？