________ by the growing interest in nature，more and more people enjoy outdoor sports.

A．Influenced

B．Influencing

C．Having influenced

D．To be influenced

一宇宙飞船绕地球做匀速圆周运动，飞船原来的线速度是v₁，周期是T₁，机械能是E₁,假设在某时刻它向后喷气做加速运动后，进入新轨道做匀速圆周运动，运动的线速度是v₂，周期是T₂，机械能是E_2.则（   ）

A．v₁＞v₂ T₁＞T₂ E₁＞E₂

B．v₁＞v₂ T₁＜T₂ E₁<E₂

C．v₁＜v₂ T₁＞T₂ E₁=E₂

D．v₁＜v₂ T₁＜T₂ E₁<E₂