27．All the Chinese people are expecting the government’s four-thousand-billion financial plan ____ around the country, _____ to improve the current economic situation．

A．carried out, intending

B．being carried out, intended

C．to be carried out, intending

D．to be carried out, intended

如图甲，圆形线圈P静止在水平桌面上，其正上方悬挂一相同的线圈Q，P和Q共轴，Q中通有变化电流，电流随时间变化的规律如图乙所示，P所受重力为G，桌面对P的支持力为N，则（           ）

A．t₁时刻 N＞G，

B．t₂时刻 N＞G，

C．t₃时刻 N＜G，

D．t₄时刻 N＝G。