Why do you look sad?—There are so many problems ______.[ ]

下列句式与“背负青天，而莫之夭阏者”不同的一项是 （ ）

Being determined is a kind of quality and that’s ________ it takes to do anything properly

Luckily, only a few passengers aboard were ________ injured in the traffic accident

It was snowing hard_______we had to stay at home and watch TV.