问题补充:
Roses need special care they can live through winter.
A. because
B. so that
C. even if
D. as
答案:
A. because
(答案→)B. so that
C. even if
D. as
解析:此题考查状语从句中连词的用法。如用A或D项,前后无必然的逻辑关系;如选C项,题中应加入still/nevertheless等表仍然的语气词;题中用so that引导一个目的状语从句。