某国今年的商品价格总额与去年相比增长69%，流通中货币量增长30%，如果其他条件不变，待售物价与去年持平，理论上今年单位货币流通次数与去年相比是

A．增长30%

B．下降23%

C．增长56.7%

D．下降30%

Viewers continue to watch TV ____ they complain about the quality of the programming. [ ]

A. even though

B. as if

C. as long as

D. unless