William Butler Yeats was a (n) （） poet and playwright.

单项选择题Thousands of employees chose Enron as their sole investment option mainly because （）

A．the 401 (k) made them responsible for their own future
B．Enron offered to add company stock to their investment
C．their employers intended to cut back on pension spending
D．Enron’s offer was similar to a defined-benefit plan

单项选择题According to Dyfan Jones what has changed is （）

A．people’s mentality
B．pop culture
C．town’s appearance
D．possibilities for the people