板桩建筑物的锚碇桩（板桩）是依靠其在土中的（）作用来承受拉杆的拉力。

A.摩擦阻力

B.弹性嵌固

C.地基支承

D.嵌固和摩阻

—I hope you don't mind my opening the window.

—______. It's a bit hot here today. [ ]

A. Certainly

B. Of course not

C. All right

D. Never mind