(2013 ·陕西宝鸡二模)—You don't seem to be quite yourself today.What's wrong?

—Oh, I'm suffering from a cold.Nothing serious ________.

A．yet

B．indeed

C．though

D．anyway

市场分析与预测专责应该检查指导各基层单位对全部客户用电情况统计工作。