—What a great grade Jane got in the Maths test!

—_______. She works the hardest in our class.

A．Many hands make light work

B．The grass is always greener than the other side

C．Early birds catch the worm

D．Don’t put all your eggs in one basket

男，30岁股骨干火器伤，5个月未愈合，影响因素可能为（）

A.局部血液供应差

B.软组织嵌入骨折端

C.软组织损伤严重

D.治疗方法不当

E.病人年龄偏大