44.B [解析]答案所在段是第六段"The other group was waiting for tIleir colostomy to bereversecl."he added."Tlaey contrastecl their current life with the life they hoped to lead,and didn’tmake the best of tlaeir Current situation."由此可见,不幸福的原因是B。
45.B [解析]该题目是文章主旨题。本文的中心是说希望不一定都能带来幸福,要能面对现实,适应不幸,才会更幸福。A和c都与本文主旨不符。D中frequently(经常地)使用不当。B符合本文主题。