[单选题]
The Earth moves about the Sun in: h sd:sb dfs:/1+*t iauwh;rn an elliptic iw /i,d-p6dbaal orbit. As the Earth moves close to the Sun, then which of the following best desc6wa- ddiipb,/ribes the orbiting speed of the Earth about the Sun?
A. increases
B. decreases
C. remains constant
D. none of the above
