某有机物结构简式为，下列说法正确的是

A．该有机物分子式为：C₁₀H₈O₆

B．分子中最多有9个碳原子共平面

C．1 mol该有机物分别与足量NaOH溶液、NaHCO₃溶液完全反应，消耗NaOH、NaHCO₃的物质的量分别为4mol、1 mol

D．该有机物可发生取代反应、还原反应，不能发生银镜反应

—Would you like to go hiking with us this Sunday?

—I'd like to, but I'll have _______ to do. [ ]

A. special something

B. something special

C. anything special

D. special anything