It's Saturday morning and Tony's sitting at the kitchen table, staring（凝视）into space and playing with a piece of bread. He's not even hungry. Is he ill? No, but he does have a problem. He has
If you spent years training to be a lawyer and had a great steady income, would you leave it to undertake a harebrained（轻率的） plan that only your mum and girlfriend believed in? That’s ex
中
，且
的取值范围是 （ ）
B、
C、
D、
