[单选题]
The objective of a telescope has a foco5*qf )i/xq dcal leng 4bvdcz :8sqj+k 1k0hjth of 200 cm and its eyepiece has a focald:+kc0 h4jqks1bvjz8 length of 1.1 cm. What is the magnification of this telescope when viewing an object at infinity?
A. 20
B. 0.0050
C. 200
D. none of the given answers
