问题
单项选择题
Critics believe that the control of television by mass advertising has () the quality of the programs.
A．affected
B．effected
C．lessened
D．declined
答案
参考答案：D
解析：
affect意为“影响”；effect意为“实现，使生效”；lessen意为“变少，减少”；decline意为“使下降”。故选D。