为预防胰腺癌术后肺部并发症，术前准备及健康指导不包括（）

A.戒烟2周

B.抗生素使用

C.教会患者胸式呼吸

D.给予雾化吸入

E.加强营养

I'm glad to find that many trees ________ in our city last year.  [ ]

A. plant

B. planted

C. were planted

D. are planted