1you are trembling,what's happened?i _____ outside in the co

1
you are trembling,what's happened?
i _____ outside in the cold for over an hour waiting for a bus.
a.was standing b.have been standing
为什么选A不选B呢
2
much of life today____the manners of everyday getting along :queuing,answering the phone,keeping promises,remembering birthdays.
a.is b.are
老师说这道题选B是因为 倒装.不理解中