Two vertical poles are 200 m apart and the height of one is double that of the other. From the middle point of the line joining their feet, an observer finds the angular elevations of their tops to be complementary. Find the heights of the poles.

• A. 41 m and 282 m
• B. 0.5 m and 141 m
• C. 5 m and 130 m
• D. 30 m and 260 m