—Each time you want a cigarette, think twice, and have an apple instead.  

—Sorry, but I couldn't digest _______ many apples. [ ]

A. that

B. such

C. rather

D. quite

常用在架空管、桥管上，用以调节因环境温度变化而引起的管道膨胀与收缩的燃气系统附属设备是( )。

A．凝水器

B．补偿器

C．调压器

D．过滤器