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

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

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