After _____ from his illness, Mr.Smith was advised to take up gardening as a hobby.[ ]

A. benefiting  

B. recovering

C. suffering  

D. separating

锌缺乏常见症状不包括（）。

A.生长迟缓

B.皮肤伤口愈合不良

C.味觉障碍

D.胃肠道疾患

E.内分泌功能减退