我也选A
B. a cycle for personal computer users has begun in which they
in which 离被修饰词a cycle太远,
they 指代不请: computer users 或 economists (从句主语优先指代主句主语)
c. there is a cycle beginning for personal computer users
D. it is the beginning of a cycle for personal computer users
未划线部分are replacing their PC’s with more powerful models无主语
E. personal computer users are in the beginning of a cycle when they
they 指代不请
---open to discuss
|