If the change in the value of g at a height above the surface of the earth is the same as at a depth\[x\]below it, and when both x and h are much smaller than the radius of the earth then

• A.  \[x=h\]                               
• B.  \[x=2h\]
• C.  \[x=\frac{h}{2}\]                            
• D.  \[x=\frac{3h}{2}\]