The electronic computer is（）some of the tasks that were once accomplished by our own brains.

单项选择题The room is so（） with furniture that it’s hard to move about

A. muddled
B. cluttered
C. distributed
D. scattered

单项选择题There have been several attempts to introduce gayer colors and styles in men's clothing, but none of them（）

A．has caught on
B．has caught him out
C．has caught up
D．take roots