关于子宫收缩乏力性产后出血首选的处理是

A．子宫切除

B．按摩子宫并注射宫缩剂

C．双手压迫腹部按摩子宫

D．压迫腹主动脉

E．乙醚刺激

I have been keeping the portrait．I can see it every day （）as it always reminds me of my childhood in Paris．

A．since

B．where

C．as

D．if