“呵护的本意是遮风挡雨，但有时也适得其反”与它反映的哲理相同的是     

①过犹不及       ②一分为二     ③以人为本       ④独立自主

A．①②

B．③④

C．①③

D．②④

___ , we would have taken raincoats with us.

A．Had we known

B．We had known it

C．If we were known

D．If we know