The prices of new houses in our city have been ________than before,  but they ______ well at

present.        [ ]

A. higher, still sell    

B. lower, are not still sold

C. higher, don't sell    

D. cheaper, are not still sold

关于网织红细胞计数，正确的说法是()

A．是介于晚幼红细胞和成熟红细胞之间未完全成熟的红细胞

B．胞质中含有RNA、核糖体等嗜碱性物质

C．经瑞氏染色后可见到连成线状或网状的结构

D．ICSH将网织红细胞分为Ⅰ～Ⅳ级，其中Ⅰ级最成熟

E．可用于判断骨髓的造血功能