Only when we have weighted all the factors involved _________

单选题 Only when we have weighted all the factors involved __________ decide when would be the best time to start.

A．did we
B．we did
C．can we
D．we can

参考答案C

解析:

单选题 Toachieve his heart's desire, he is racing the clock all the time. He is not the man___________ he was two years ago.

A．which
B．that
C．who
D．whom

单选题 But the Swiss discovered long years ago that constant warfare brought them __________ suffering and poverty.

A．anything but
B．nothing but
C．none other than
D．no more than

单选题 ___________, he does get annoyed with it sometimes.

A．Although much he likes painting
B．Much although he likes painting
C．As he likes painting much
D．Much as he likes painting