Unfortunately, the package I was expecting was （） to the wrong address.

单项选择题All the kids are crying now. What（）makes them so unhappy

A．it is
B．is it
C．it is that
D．is it that

单项选择题Diana felt very much upset at （） to the party as she had longed to go for a long time.

A．having not been invited
B．not having been invited
C．not to be invited
D．to be not invited