职能战略属于企业经营战略中最低层次战略，它包括以下特点()

A.成本高

B.预期收益大

C.决策风险小

D.具有较大的灵活性

E.时间限度比较短

The magazine is _____ reading, so he advised me _____ it.

A．worthy; to buy

B．worthy; buying

C．worth; to buy

D．worth; buy