Sandy talked so much about herself _______ others didn't have any time to speak at the meeting. [ ]

A. that

B. as

C. because

D. than

一个子网网络地址为192.168.200.0/26，该地址可以划分多个掩码为28的子网网络地址？（）

A.2个

B.3个

C.4个

D.6个