The growth of switching has (135) a new generation of network management tools that help (136) cope with the challenges, (137) them to correlate device alarms in order to (138) pinpoint root causes, or to monitor service levels without depending on IP subnet schemes. These new tools have become essential to coping with the primary (139) effect of any treatment that significantly increases network flexibility: added complexity.

138（）

A.technicians 

B.workers 

C.salesmen 

D.professors

阅读下面的材料，回答问题。 (4分)

李红(化名)在南京一家管理严格的五星级酒店当了4年的洗碗工。一个月前，她留下了客人吃剩的一些食物，想给正在读大学的瘦弱的儿子补养身体，而酒店以盗窃财物为由开除了李红。

有人赞同酒店的做法，有人同情李红的遭遇。对此请表明你的观点，并简要阐述理由。

观点：________________________________________________________________________

理由：________________________________________________________________________

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